Hydrozoa - Wikipedia, the free encyclopedia
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Hydrozoa ( hydrozoans ) are a taxonomic class of very small, predatory animals which can be solitary or colonial and which mostly live in saltwater. A few genera within this class live in freshwate...
en.wikipedia.org/wiki/Hydrozoa
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Another sessile Hydrozoa is the Hydra which is truely unique among the Hydrozoans. The Hydra is solitary, lacks a medusoid phase and feeds with long tentacles that extend from around the mouth. ... Some Interesting Facts:
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oz.plymouth.edu/~lts/invertebrates/Primer/text/hydrozoa...
oz.plymouth.edu/~lts/invertebrates/Primer/text/hydrozoa.html
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The Class Hydrozoa includes about 2,700 species. Many hydrozoa are very small and have a plant-like appearance. Members of this group include the hydra and the portuguese man-o-war. ... Animal Profiles - A to Z List Ten Facts About Owls Cnidarian Characteristics Snail Classification How Large Do Snails Grow? ... Animal Facts...
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animals.about.com/od/cnidarians/ss/cnidarians_10.htm
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Hydrozoa (hydrozoans) are a taxonomic class ... Obelia is a genus in the class Hydrozoa, which consists of mainly marine and some freshwater animal species and have both the polyp and medusa stages in their life cycle...
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www.absoluteastronomy.com/topics/Hydrozoa
www.absoluteastronomy.com/topics/Hydrozoa
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; Anthomedusae or Anthomedusa, the athecate hydroids, are an order of the Hydrozoa, a class of marine invertebrates belonging to the phylum Cnidaria.... ... Topics Conica (Hydrozoa) Topic Home...
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www.absoluteastronomy.com/topics/Conica_(Hydrozoa)
www.absoluteastronomy.com/topics/Conica_(Hydrozoa)
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With the use of its stinging cells on the tentacles the hydrozoas can catch small organisms that swim or drift by. The hydrozoa colonies can have individuals that have specialized tasks like catching food, defending the colony or reproduction.
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www.vattenkikaren.gu.se/Fakta/arter/cnidaria/overcnid/n...
www.vattenkikaren.gu.se/Fakta/arter/cnidaria/overcnid/nass05e.html
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Jellyfish of the class Hydrozoa are small, ranging from 1/8 in. (0.32 cm) to several inches in diameter, and usually have four tentacles. They have several (often four) unbranched radial canals and simple sense organs. ... Answer verified with ; Get more facts and information about jellyfish . Or, view the full...
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qanda.encyclopedia.com/question/hydrozoan-jellyfish-911...
qanda.encyclopedia.com/question/hydrozoan-jellyfish-91105.html
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Perhaps the best-known hydrozoan, familiar to most students of introductory biology, is Hydra, pictured at left. Hydra never goes through a medusoid stage and spends its entire life as a polyp. However, Hydra is not typical of the Hydrozoa as a whole.
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www.ucmp.berkeley.edu/cnidaria/hydrozoa.html
www.ucmp.berkeley.edu/cnidaria/hydrozoa.html
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