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Examples
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  • Information about the Class Hydrozoa including photos, maps, and text. — “Hydrozoa (Class)”,
  • The Hydrozoa are a class of the phylum Cnidaria. They are small predatory animals which mostly live in the sea. Some species live singly, others live in colonies. Their classification and evolutionary relationships are still under discussion. — “Hydrozoa - Simple English Wikipedia, the free encyclopedia”,
  • Hydrozoa incertae sedis: Rhabdohydra tridens BU02 Chaunograptus Hall 1883 BU02, B70 Hydrozoa from one hundred fathoms, seven miles east of Cape Pillar, Tasmania. Records of the Australian Museum 10 (10): 285-302, plates XXV-XXVI. — “Hydrozoa - ”,
  • Hydrozoa is a diverse and wide-ranging taxonomic class (sometimes superclass) of marine Hydrozoa is a very diverse class with members that vary considerably. — “Hydrozoa - New World Encyclopedia”,
  • Aspects of the topic Hydrozoa are discussed in the following places at Britannica. The phylum Cnidaria is made up of four classes: Hydrozoa (hydrozoans); Scyphozoa (scyphozoans); Anthozoa (anthozoans); and Cubozoa (cubozoans). — “Hydrozoa (cnidarian class) -- Britannica Online Encyclopedia”,
  • Category:Hydrozoa. From Wikimedia Commons, the free media repository Wikispecies has information related to: Hydrozoa. Ordos (for ITIS): Anthoathecatae (Syn. — “Category:Hydrozoa - Wikimedia Commons”,
  • Hydrozoan Life Cycle. Hydrozoa is a class of invertebrate underwater creature that tends to be very small and predatory. One example of a hydrozoa would be a jellyfish. Many species spend their adult lives attached to. — “Hydrozoan Life Cycle | ”,
  • Encyclopedia article about Hydrozoa. Information about Hydrozoa in the Columbia Encyclopedia, Computer Desktop Encyclopedia, computing dictionary. class hydrozoa. — “Hydrozoa definition of Hydrozoa in the Free Online Encyclopedia”, encyclopedia2
  • The Hydrozoa. Hydroids and medusae are among the most exquisitely beautiful marine animals. However, the simple Hydra is not representative at all for the Hydrozoa and it may actually give a wrong impression of the complexity of this. — “The Hydrozoa Directory”, ville-ge.ch
  • Online Information article about HYDROZOA Thus the development of the two types of individual seen in the Hydrozoa may be summarized as follows: Egg Blastula " Planula " Parenchymula Gastrula Actinula Polyp Medusa This development, though probably representing the See. — “HYDROZOA - Online Information article about HYDROZOA”,
  • Introduction to the Hydrozoa. Perhaps the best-known hydrozoan, familiar to most students of introductory biology, is Hydra, pictured at left. However, Hydra is not typical of the Hydrozoa as a whole. Most hydrozoans alternate between a polyp and a medusa stage — they spend part of their. — “Introduction to the Hydrozoa”, ucmp.berkeley.edu
  • Hydrozoa ( ′hīdrə′zōə ) ( invertebrate zoology ) A class of the phylum Cnidaria which includes the fresh-water hydras, the marine hydroids, many small. — “Hydrozoa: Definition from ”,
  • HYDROZOA, one of the most widely spread and prolific groups of aquatic animals. The Hydrozoa comprise the hydroids, so abundant on all shores, most of which resemble vegetable organisms to the unassisted eye; the hydrocorallines, which, as their. — “Hydrozoa - LoveToKnow 1911”, 1911
  • A brief overview of the hydrozoa Class Hydrozoa - Order Hydroida - Family Bougainvilliidae. image copyright © Jon Gross Marine Life of the Northeast Pacific. This class includes hydroids and hydromedusae. — “Palaeos Invertebrates: Cnidaria: Hydrozoa”,
  • http:///Hydrozoa/17640/2008.02.07 in The Tree of Life Web Project, http:/// edit this page. This page is a Tree of Life Branch Page. Each ToL branch page provides a synopsis of the characteristics of a group of organisms representing a branch of the Tree of Life. — “Hydrozoa”,
  • Hydrozoa (Hydralike animals) in Encyclopedia of Life. — “Hydrozoa - Encyclopedia of Life”,
  • Translations of Hydrozoa. Hydrozoa synonyms, Hydrozoa antonyms. Information about Hydrozoa in the free online English dictionary and encyclopedia. Hydrozoa - coelenterates typically having alternation of generations; hydroid phase is usually colonial giving rise to the medusoid phase by budding:. — “Hydrozoa - definition of Hydrozoa by the Free Online”,

Videos
related videos for hydrozoa

  • Hydra Live Video (Bright Field) A live video capture of a Hyrda using the bright field mircoscope technique.
  • Alien invaders disrupting Black & Caspian Sea ecosystems! Comb Jellies invade and disrupt the Black & Caspian Sea ecosystems! Though the jelly-like comb jellies are classified in a different animal phylum than jellyfish (which signifies a distant relationship), they also share the jellyfish's fondness for zooplankton, along with the eggs and larvae of fish and invertebrate animals. Ctenophores commonly found in the Black Sea are Pleurobrachia pileus, Mnemiopsis (different species), and Beroe ovata. Mnemiopsis is a comb jelly native to the Atlantic coastal region between Massachusetts and southern Argentina. In its natural range, it has been known to heavily impact ecosystems by consuming vast quantities of zooplankton, eggs, and the larvae of fish and invertebrates that would otherwise support populations of more desirable species. Mnemiopsis was first observed in the Black Sea in the early 1980s, where it is thought to have been transported and dropped by the ballast water of freighters arriving from distant shores in the western Atlantic. By the late 1980s, populations of Mnemiopsis soared, populations of its favored zooplankton food plummeted, and, coincidentally, commercial catches of the zooplankton-eating anchovy (Engraulis encrasicolus) were drastically reduced. A few years ago, Mnemiopsis was accidentally introduced into the Caspian Sea, where a similar impact is beginning to be seen. Mnemiopsis sp. - comb jelly Highly transparent, elongated body, round in cross-section, with semi-transparent rows running the length of ...
  • Hydra eatin shrimpies. LOOK AT THAT PIG. He killed em all and then threw em away. WASTELAND OF SHRIMPS.
  • Stefano PIRAINO - Zukan.TV vol. 357 - Ferdinando BOERO Professor, University of Salento (Zoology) * Research field and theme * Zoology, Jellyfish, Hydrozoa * Keywords * Jellyfish, Brain Structure, Immortality, Turritopsis_nutricula 1. Current Research Theme - Brain structure in Hydrozoa 2. What She/He Can Offer - Deep knowledge of Hydrozoa - Beautiful pictures of jellyfish 3. Future Research Theme - Mechanism of immortality of Turritopsis nutricula from DNA viewpoint 4. What She/He Wants - Collaboration with biomedical scientists, specially in regenerative medicine * Related website * Wikipedia University of Salento www.unisalento.it
  • Various Sea Jellyfish Jellyfish (also known as jellies or sea jellies or medusozoa) are free-swimming members of the phylum Cnidaria. Jellyfish have several different morphologies that represent several different cnidarian classes including the Scyphozoa (over 200 species), Staurozoa (about 50 species), Cubozoa (about 20 species), and Hydrozoa (about 1000--1500 species that make jellyfish and many more that do not).[1][2] The jellyfish in these groups are also called, respectively, scyphomedusae, stauromedusae, cubomedusae, and hydromedusae. All jellyfish are embodied in the Medusozoa subphylum. Medusa is another word for jellyfish, and as such is used to refer specifically to the adult stage of the life cycle. Jellyfish are found in every ocean, from the surface to the deep sea. Some hydrozoan jellyfish, or hydromedusae, are also found in fresh water; freshwater species are less than an inch (25 mm) in diameter, are colorless and do not sting. Many of the best-known jellyfish, such as Aurelia, are scyphomedusae. These are the large, often colorful, jellyfish that are common in coastal zones worldwide.
  • Jellyfish Jellyfish (also known as jellies or sea jellies) are free-swimming members of the phylum Cnidaria. They have several different morphologies that represent several different cnidarian classes including the Scyphozoa (over 200 species), Staurozoa (about 50 species), Cubozoa (about 20 species), and Hydrozoa (about 1000-1500 species that make jellyfish and many more that do not). The jellyfish in these groups are also called, respectively, scyphomedusae, stauromedusae, cubomedusae, and hydromedusae; medusa is another word for jellyfish. Jellyfish are found in every ocean, from the surface to the deep sea. Some hydrozoan jellyfish, or hydromedusae, are also found in fresh water and are less than half an inch in size. They are partially white and clear and do not sting. This article focuses on scyphomedusae. These are the large, often colorful, jellyfish that are common in coastal zones worldwide. In its broadest sense, the term jellyfish also generally refers to members of the phylum Ctenophora. Although not closely related to cnidarian jellyfish, ctenophores are also free-swimming planktonic carnivores, are generally transparent or translucent, and exist in shallow to deep portions of all the world's oceans. source:
  • Sympagohydra tuuli (Cnidaria, Hydrozoa): first report from sea ice of the central Arctic Ocean and From the Springer article: Sympagohydra tuuli (Cnidaria, Hydrozoa): first report from sea ice of the central Arctic Ocean and insights into histology, reproduction and locomotion by: Siebert, Stefan; Anton-Erxleben, Friederike; Kiko, Rainer; Kramer, Maike; V2. Locomotion of Sympagohydra tuuli. Beating flagella on epidermal cells of the body column. (WMV 7177 kb) Journal: Marine Biology Vol. 156 Issue 4 DOI: 10.1007/s00227-008-1106-9 Published: 2009-02-12
  • Medusa Hidrozoa
  • Jellyfish amazing Wart Comb Jelly shimmering rainbow colored space ship/alien Monterey Aquarium Comb Jellies invade and disrupt the Black & Caspian Sea ecosystems! Though the jelly-like comb jellies are classified in a different animal phylum than jellyfish (which signifies a distant relationship), they also share the jellyfish's fondness for zooplankton, along with the eggs and larvae of fish and invertebrate animals. Ctenophores commonly found in the Black Sea are Pleurobrachia pileus, Mnemiopsis (different species), and Beroe ovata. Mnemiopsis is a comb jelly native to the Atlantic coastal region between Massachusetts and southern Argentina. In its natural range, it has been known to heavily impact ecosystems by consuming vast quantities of zooplankton, eggs, and the larvae of fish and invertebrates that would otherwise support populations of more desirable species. Mnemiopsis was first observed in the Black Sea in the early 1980s, where it is thought to have been transported and dropped by the ballast water of freighters arriving from distant shores in the western Atlantic. By the late 1980s, populations of Mnemiopsis soared, populations of its favored zooplankton food plummeted, and, coincidentally, commercial catches of the zooplankton-eating anchovy (Engraulis encrasicolus) were drastically reduced. A few years ago, Mnemiopsis was accidentally introduced into the Caspian Sea, where a similar impact is beginning to be seen. Mnemiopsis sp. - comb jelly Highly transparent, elongated body, round in cross-section, with semi-transparent rows running the length of ...
  • 5: Immortal Jellyfish answer to life death everything and imortallity all though you are valid to your beliefs this is what i believe in. i have been playing around with some ideas for a few years now and i guess its still is rough stage but in my opinion right non the less. everything i have said is based on fact and science. i have not revealed this till this day as it has not been complete until it clicked today! i am now Apocalyptian
  • Jellies Jellyfish (also known as jellies or sea jellies) are free-swimming members of the phylum Cnidaria. They have several different morphologies that represent several different cnidarian classes including the Scyphozoa (over 200 species), Staurozoa (about 50 species), Cubozoa (about 20 species), and Hydrozoa (about 1000-1500 species that make jellyfish and many more that do not)[1][2]. The jellyfish in these groups are also called, respectively, scyphomedusae, stauromedusae, cubomedusae, and hydromedusae; medusa is another word for jellyfish. Jellyfish are found in every ocean, from the surface to the deep sea. Some hydrozoan jellyfish, or hydromedusae, are also found in fresh water and are less than half an inch in size. They are partially white and clear and do not sting. This article focuses on scyphomedusae. These are the large, often colorful, jellyfish that are common in coastal zones worldwide. In its broadest sense, the term jellyfish also generally refers to members of the phylum Ctenophora. Although not closely related to cnidarian jellyfish, ctenophores are also free-swimming planktonic carnivores, are generally transparent or translucent, and exist in shallow to deep portions of all the world's oceans.
  • Portuguese Man-of-War (Physalia physalis) Portuguese Man-of-War (Physalia physalis) * Family: Physaliidae, * Genus: Physalia, * Species: P. physalis, * Phylum: Cnidaria, * Class: Hydrozoa, * Order: Siphonophora, * Type: Invertebrate, * Diet: Carnivore, * Size: Float, 12 in (30 cm) long, 5 in (12.7 cm) wide; tentacles, up to 165 ft (50 m) long, ** Did you know? The tiny Nomeus gronovii fish is immune to the sting of the Portuguese man-of-war. It lives among the tentacles and even snacks on the stinging tendrils. *** The Portuguese Man o' War (Physalia physalis), also known as man of war. The common name comes from a Portuguese war ship type of the 15th and 16th century. More info: or
  • Hydra Live Video (Dark Field) A live video capture of a Hyrda using the dark field microscope technique.
  • Hydrocorals Hydrocorals are not true corals, but are member of the class Hydrozoa. Like their close relatives, hydrocorals are also equipped with stinging nematocyst cells that release a virulent toxin when they come in contact with another organism (Wittle et al., 1974). Competitive, hydrocorals in the genus Millepora are often conspicuous and form spatially dominant colonies in reefs (Witman, 1988). The following footage demonstrate the competitive ability of a Millepora spp. colony that has pierced the tissues of an adjacent soft coral. Credits Cinematography: Neilan Kuntz Edited by: Neilan Kuntz Written by: Dr. Olga Pantos Location: Bocas del Toro, Panama (2004) Witman, JD (1992) Physical disturbances and community structure of exposed and protected reefs: a case study from St. John, US Virgin Islands. American Zoologist 32: 641-654. Wittle, LW, ED Tscura et al. (1974) Stinging coral (Millepora tenera) toxin: a comparison of crude extracts with isolated nematocyst extracts. Toxicon 12(5): 481-486.
  • Flame Angel Fish Coral and Stinging Jelly Fish See these fascinating creatures and fascinating facts all filmed and available on HD! In captivity, this species feeds on a variety of food including live brine shrimp, frozen meaty foods as well as spirulina, seaweed sheets and pellets. Easy to feed. The flame angelfish is known to be shy upon introduction to an established aquarium (especially smaller specimens) but within a week will gain confidence and is then constantly seen grazing around live rock during the day. Will fight with other fish if challenged for space or kept with similar species (dwarf angels) in a small tank. Some texts advise that this should be a final addition to a tank. Corals are marine organisms in class Anthozoa of phylum Cnidaria typically living in compact colonies of many identical individual "polyps". The group includes the important reef builders that inhabit tropical oceans, which secrete calcium carbonate to form a hard skeleton. Jellyfish (also known as jellies or sea jellies or Medusozoa) are free-swimming members of the phylum Cnidaria. Jellyfish have several different morphologies that represent several different cnidarian classes including the Scyphozoa (over 200 species), Staurozoa (about 50 species), Cubozoa (about 20 species), and Hydrozoa (about 1000--1500 species that make jellyfish and many more that do not). The jellyfish in these groups are also called, respectively, scyphomedusae, stauromedusae, cubomedusae, and hydromedusae. All jellyfish are embodied in the Medusozoa ...
  • Aliens invade & attack the Black & Caspian Seas!! Comb Jellies invade, attack and disrupt the Black & Caspian Sea ecosystems! Though the jelly-like comb jellies are classified in a different animal phylum than jellyfish (which signifies a distant relationship), they also share the jellyfish's fondness for zooplankton, along with the eggs and larvae of fish and invertebrate animals. Ctenophores commonly found in the Black Sea are Pleurobrachia pileus, Mnemiopsis (different species), and Beroe ovata. Mnemiopsis is a comb jelly native to the Atlantic coastal region between Massachusetts and southern Argentina. In its natural range, it has been known to heavily impact ecosystems by consuming vast quantities of zooplankton, eggs, and the larvae of fish and invertebrates that would otherwise support populations of more desirable species. Mnemiopsis was first observed in the Black Sea in the early 1980s, where it is thought to have been transported and dropped by the ballast water of freighters arriving from distant shores in the western Atlantic. By the late 1980s, populations of Mnemiopsis soared, populations of its favored zooplankton food plummeted, and, coincidentally, commercial catches of the zooplankton-eating anchovy (Engraulis encrasicolus) were drastically reduced. A few years ago, Mnemiopsis was accidentally introduced into the Caspian Sea, where a similar impact is beginning to be seen. Mnemiopsis sp. - comb jelly Highly transparent, elongated body, round in cross-section, with semi-transparent rows running the ...
  • Tiny Umbrella Jellyfish Jellyfish (also known as jellies or sea jellies or Medusozoa) are free-swimming members of the phylum Cnidaria. Jellyfish have several different morphologies that represent several different cnidarian classes including the Scyphozoa (over 200 species), Staurozoa (about 50 species), Cubozoa (about 20 species), and Hydrozoa (about 1000--1500 species that make jellyfish and many more that do not).The jellyfish in these groups are also called, respectively, scyphomedusae, stauromedusae, cubomedusae, and hydromedusae. All jellyfish are embodied in the Medusozoa subphylum. Medusa is another word for jellyfish, and as such is used to refer specifically to the adult stage of the life cycle. Jellyfish are found in every ocean, from the surface to the deep sea. Some hydrozoan jellyfish, or hydromedusae, are also found in fresh water; freshwater species are less than an inch (25 mm) in diameter, are colorless and do not sting. Many of the best-known jellyfish, such as Aurelia, are scyphomedusae. These are the large, often colorful, jellyfish that are common in coastal zones worldwide. In its broadest sense, the term jellyfish also generally refers to members of the phylum Ctenophora. Although not closely related to cnidarian jellyfish, ctenophores are also free-swimming planktonic carnivores, are generally transparent or translucent, and exist in shallow to deep portions of all the world's oceans. Since jellyfish are not actually fish, the word jellyfish is considered a misnomer ...
  • Sympagohydra tuuli (Cnidaria, Hydrozoa): first report from sea ice of the central Arctic Ocean and From the Springer article: Sympagohydra tuuli (Cnidaria, Hydrozoa): first report from sea ice of the central Arctic Ocean and insights into histology, reproduction and locomotion by: Siebert, Stefan; Anton-Erxleben, Friederike; Kiko, Rainer; Kramer, Maike; V1. Bending of proboscis-like hypostome. Two tentacles are visible. Gastrodermal cells contain vacuoles with reddish prey pigment. (WMV 4911 kb) Journal: Marine Biology Vol. 156 Issue 4 DOI: 10.1007/s00227-008-1106-9 Published: 2009-02-12
  • Hydra Hydra is a genus of simple fresh-water animal possessing radial symmetry. Hydras are predatory animals belonging to the phylum Cnidaria and the class Hydrozoa. They can be found in most unpolluted freshwater ponds, lakes and streams in the temperate and tropical regions by gently sweeping a collecting net through weedy areas. They are usually a few millimeters long and are best studied with a microscope. Biologists are especially interested in hydras due to their regenerative ability and because they appear to undergo senescence (aging) very slowly, if at all.
  • Beautiful Rainbow Jellyfish: Wart Comb Jelly shimmering rainbow colored space ship/alien Comb Jellies invade and disrupt the Black & Caspian Sea ecosystems! Though the jelly-like comb jellies are classified in a different animal phylum than jellyfish (which signifies a distant relationship), they also share the jellyfish's fondness for zooplankton, along with the eggs and larvae of fish and invertebrate animals. Ctenophores commonly found in the Black Sea are Pleurobrachia pileus, Mnemiopsis (different species), and Beroe ovata. Mnemiopsis is a comb jelly native to the Atlantic coastal region between Massachusetts and southern Argentina. In its natural range, it has been known to heavily impact ecosystems by consuming vast quantities of zooplankton, eggs, and the larvae of fish and invertebrates that would otherwise support populations of more desirable species. Mnemiopsis was first observed in the Black Sea in the early 1980s, where it is thought to have been transported and dropped by the ballast water of freighters arriving from distant shores in the western Atlantic. By the late 1980s, populations of Mnemiopsis soared, populations of its favored zooplankton food plummeted, and, coincidentally, commercial catches of the zooplankton-eating anchovy (Engraulis encrasicolus) were drastically reduced. A few years ago, Mnemiopsis was accidentally introduced into the Caspian Sea, where a similar impact is beginning to be seen. Mnemiopsis sp. - comb jelly Highly transparent, elongated body, round in cross-section, with semi-transparent rows running the length of ...
  • WIZARD OF OZ On one occasion at the beginning of a meeting Gurdjieff put a question to which all those present had to answer in turn. The question was; "What is the most important thing that we notice during self-observation?" "Not one of you has noticed the most important thing that I have pointed out to you," he said. "That is to say, not one of you has noticed that you DO NOT REMEMBER YOURSELVES." (He gave particular emphasis to these words.) "You do not feel YOURSELVES; you are not conscious of yourselves. With you, 'it observes' just as 'it speaks' 'it thinks,' 'it laughs.' You do not feel: I observe, I notice, I see. Everything still 'is noticed,' 'is seen.' ... In order really to observe oneself one must first of all REMEMBER ONESELF" (He again emphasized these words.) "Try to REMEMBER YOURSELVES when you observe yourselves and later on tell me the results. Only those results will have any value that are accompanied by self-remembering. Otherwise you yourselves do not exist in your observations. In which case what are all your observations worth?" Attempts at self-remembering failed to give any results except to show Ouspensky that in actual fact we never remember ourselves. "What else do you want?" said Gurdjieff. "This is a very important realization. People who KNOW THIS" (he emphasized these words) "already know a great deal. The whole trouble is that nobody knows it. If you ask a man whether he can remember himself, he will of course answer that he can. If you tell him ...
  • Sympagohydra tuuli (Cnidaria, Hydrozoa): first report from sea ice of the central Arctic Ocean and From the Springer article: Sympagohydra tuuli (Cnidaria, Hydrozoa): first report from sea ice of the central Arctic Ocean and insights into histology, reproduction and locomotion by: Siebert, Stefan; Anton-Erxleben, Friederike; Kiko, Rainer; Kramer, Maike; V3. Locomotion of Sympagohydra tuuli. Beating flagella facilitate gliding movement. Tentacles can be seen at oral end of the animals. Beating mode and direction of gliding can be changed. (AVI 3012 kb) Journal: Marine Biology Vol. 156 Issue 4 DOI: 10.1007/s00227-008-1106-9 Published: 2009-02-12
  • SPACE LIFE FORMS: What else NASA hides??? I was checking out some hi-res images taken during the STS-115 mission, and in one of them, the onboard cam of the Shuttle caught a massive amoeba-like object, floating in the Earth's orbit. According to some researchers, it could be a so called "Energyzoa", a primitive life form similar to sea Hydrozoa, but made up of different matter. These critters are seen in some NASA videos and usually people have been calling them "space worms". Still according to researchers, like Trevor James Constable, Martyn Stubbs and David Sereda, these life forms may be feeding on pure energy of atmospheric electromagnetic phenomena. And it seems that the US military authorities are aware about their existence since the '40s, 'cause they were reported in some docs of the Project Blue Book, that are available to download nowadays. Unfortunately it's still a occult subject to common people. We just don't know nothing about them. Original hi-res NASA pic here: spaceflight1.nasa.gov Select the mission, mark images and seek: s115e07201.jpg More info: www.freeweb.hu
  • "Freshwater Jellyfish" The medusa stage of the freshwater hydrozoan Crespedicusta sowerbyi introduced to North American inland waters from the orient
  • Alien invaders disrupting Black & Caspian Sea ecosystems! Comb Jellies invade and disrupt the Black & Caspian Sea ecosystems! Though the jelly-like comb jellies are classified in a different animal phylum than jellyfish (which signifies a distant relationship), they also share the jellyfish's fondness for zooplankton, along with the eggs and larvae of fish and invertebrate animals. Ctenophores commonly found in the Black Sea are Pleurobrachia pileus, Mnemiopsis (different species), and Beroe ovata. Mnemiopsis is a comb jelly native to the Atlantic coastal region between Massachusetts and southern Argentina. In its natural range, it has been known to heavily impact ecosystems by consuming vast quantities of zooplankton, eggs, and the larvae of fish and invertebrates that would otherwise support populations of more desirable species. Mnemiopsis was first observed in the Black Sea in the early 1980s, where it is thought to have been transported and dropped by the ballast water of freighters arriving from distant shores in the western Atlantic. By the late 1980s, populations of Mnemiopsis soared, populations of its favored zooplankton food plummeted, and, coincidentally, commercial catches of the zooplankton-eating anchovy (Engraulis encrasicolus) were drastically reduced. A few years ago, Mnemiopsis was accidentally introduced into the Caspian Sea, where a similar impact is beginning to be seen. Mnemiopsis sp. - comb jelly Highly transparent, elongated body, round in cross-section, with semi-transparent rows running the length of ...
  • Oceanography Project FINAL
  • Agua Mala Portuguese Man-of-War Rocky Point Mexico Sea of Cortez Agua Mala aka Portuguese Man-of-War Rocky Point Mexico... they usually show up at the end of June or early July and their highly venomous tenacles can deliver a painful sting even several weeks after they have washed ashore and dried out. Although superficially resembling a jellyfish, it is a member of the class Hydrozoa (stinging hydroids). It appears to be a single animal but is actually a colonial organism composed of three distinct types of semi-independant polyps. Each type of polyp is specialized to perform a specific funtion: reproduction, digestion or capturing prey. you can find more info in the Pisces Guide to... VENOMOUS & TOXIC MARINE LIFE of the WORLD... I carry this book with me most all the time I am on a boat or at the beach. This particular animal is on the cover of the book...
  • Sympagohydra tuuli (Cnidaria, Hydrozoa): first report from sea ice of the central Arctic Ocean and From the Springer article: Sympagohydra tuuli (Cnidaria, Hydrozoa): first report from sea ice of the central Arctic Ocean and insights into histology, reproduction and locomotion by: Siebert, Stefan; Anton-Erxleben, Friederike; Kiko, Rainer; Kramer, Maike; V4. Locomotion of Sympagohydra tuuli. Animals rotate around their longitudinal axis when rising in the water column. (WMV 5255 kb) Journal: Marine Biology Vol. 156 Issue 4 DOI: 10.1007/s00227-008-1106-9 Published: 2009-02-12
  • Craspedacusta sowerbyi - Freshwater Jellyfish Crapedacusta sowerbyi in aquarium. Freshwater jellyfish in northeastern Brazil. Hydromedusae
  • crystalisgreat: Animalia- Porifera, Ctenophora, Platyhelminthes, Cnidaria- Hydrozoa,endoblasts,scyphozoa, anthozoa
  • DD_UB: The population dynamics of Halecium petrosum and Halecium pusillum (Hydrozoa, Cnidaria), epiphytes of Halimeda t... http://t.co/197QYET8
  • DD_UB: A general approach to the in situ energy butget of Eudendrium racemosum (Cnidaria, Hydrozoa) in the Western Medi... http://t.co/di7ZrmJT
  • EmilyBurry: There's Porifera, Coelenterata, Hydrozoa, scyphozoa, ctenophora, byrozoas, THREE!
  • lamuria_: Aí depois que passar a prova prática, vou acordar gritando sobre Hydrozoa, Cubozoa e as estruturas que preciso identificar quinta. D:
  • Zootaxa: Medusoids in the life cycle of Dentitheca dendritica(Nutting, 1900) and Nemalecium gracile sp. nov.(Cnidaria: Hydrozoa) http://t.co/tOfZV6XF
  • socialtechno: What is the significance of hydrozoan predators for #SocEnt ? http://t.co/nYzBuG0E #socialhydra
  • SyidaSopan: @nikasyaz because porifera like to go scyphozoa fishing. And there are so many hydrozoa and anthozoa in bikini bottoms
  • Zootaxa: The genus Hybocodon (Cnidaria, Hydrozoa) in the southwestern Atlantic Ocean, with a revision of the species... http://t.co/hR4XNITC
  • weena_lee: Perghhh haha RT @zharifahyusof: Hidupku solitary ibrt hydra class hydrozoa of phylum cnidaria. Aku (cont) http://t.co/KgOv3Wnl
  • zharifahyusof: Hidupku solitary ibrt hydra class hydrozoa of phylum cnidaria. Aku ingn menjdi sprti obelia sp yg gumbira bersama dgn spesisnya yg lain.#bio
  • AndreiDeulofeu: Portuguese man o' war (Physalia) #jellyfish #hydrozoa anddbr http://t.co/ss92m7Nv

Blogs & Forum
blogs and forums about hydrozoa

  • “Some Marine Zoology | Login | Join. Home. Browse. Search. Clubs. Photos. Videos. Blogs. Forum. Calendar. Surveys. Dive Sites. Blog: Hydrozoa_Gazer. View All Blogs. View Member Profile | View Member Blog. Previous | Next. Some Marine Zoology. Category: Educational. Posted on 2/3/2009 8:55:17 AM. October 2,”
    — Some Marine Zoology | ,

  • “Read Cnidaria and Porifera by Tom Skiles on Myspace Blogs! New blogTopics added every minute. Zoology - Lab 2Phylum CnidariaClass HydrozoaGenus Obe”
    — Cnidaria and Porifera - Tom Skiles's Myspace Blog |,

  • “Blog. Books. Gallery. Events. Latest Book. Saturday, March 03, 2007. The handmaiden of His work on the hydrozoa was a patient gathering of the tiny truths”
    — Science Musings Blog,

  • “Class: Hydrozoa. In other words it is an animal. Some Examples of Hydrozoa are hydras and Portugese man-o-war. Examples of other Users browsing this forum: No registered users and 0 guests”
    — hydrozoans - Biology-Online, biology-

  • “This is quite unusual, only known to occur in a few jellyfish species. This reversion to into Polyps and Cell Transdifferentiation in Turritopsis nutricula (Cnidaria, Hydrozoa)”
    — Cavalcade of Mammals " Blog Archive " The life cycle of, y.edu

  • “emybc374's blog - 相关的主题文章: http://9/lwehlu6195/9796/Vsne+Vous.html http://blogs.djobs.bg/blog.php?user=dvqsv976¬e=207810 a,yack cackle abulic psychoneurotic yachtsman crewman abundant galore yacht watercr”
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  • “ into Polyps and Cell Transdifferentiation in Turritopsis nutricula (Cnidaria, Hydrozoa) You are currently browsing the Cavalcade of Mammals blog archives for June, 2010”
    — Cavalcade of Mammals " 2010" June,

  • “Hydrozoa Life Cycle and. Hydrozoa Life Cycle. WordPress blog about Hydrozoa Life Cycle. Hydrozoa Life Cycle. in thee of third it seein they and saith bearth, save giftil for the Lordings their convocattenturned healt whencover up their sist, and they with us; toget devoursememble”
    Hydrozoa Life Cycle, kae-

  • “We are currently in the process of initiating the Anthozoan Relationships Forum. In general, participation in the Forum is by invitation from a Tree”
    — Anthozoan Relationships Forum,

  • “Weird Animal - From Subscribe To Animal-science-blog RSS Feed. Weird Animal. Wednesday, December 24, 2008 Siphonophorae or Siphonophora, the siphonophores, are an order of the Hydrozoa, a class of marine invertebrates belonging to the phylum Cnidaria”
    — Weird Animal, biology-

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