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A great many hydrozoans are also colonial. Some form delicate branched colonies, while others, known as "fire corals," form massive colonies that resemble true corals. ... Other hydrozoans have developed pelagic (floating) colonies that are often confused with jellyfish, but unlike jellyfish they are composed of...
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www.ucmp.berkeley.edu/cnidaria/hydrozoa.html
www.ucmp.berkeley.edu/cnidaria/hydrozoa.html
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Most hydrozoans have two life stages. During the first phase they live as polyps, attached to some surface. Many species, like the Tubularia indivisa form large, conspicuous colonies by asexual reproduction. The second stage is often, but not always, a pelagic phase.
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www.seawater.no/fauna/Nesledyr/hydrozoer.htm
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Related FAQs: Hydrozoans, Hydrozoans 2, Hydrozoan Identification, Hydrozoan ID 2, Hydrozoan ID 3, Hydrozoan ID 4, Hydrozoan ID 5, & Hydrozoan Behavior, Hydrozoan Compatibility, Hydrozoan Selection, Hydrozoan Systems, Hydrozoan Feeding, Hydrozoan Disease, Hydrozoan Reproduction, Medusoids/Jellies (Ctenophores,
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www.wetwebmedia.com/hydrozoans.htm
www.wetwebmedia.com/hydrozoans.htm
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Hydrozoans of some sort> ; I've attached a picture, hoping that you can ID them. My apologies for the focus, but even in macro mode, they are tough to capture. Thanks again and warm regards, Matthew ; <A good enough pic. ... Dear crew, could you let me know what the e-mail address is of the people who harvest hydrozoans,
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www.wetwebmedia.com/hydrozoanfaqs.htm
www.wetwebmedia.com/hydrozoanfaqs.htm
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Floating Hydrozoans ... Hydrozoans can simply be broken into three categories: ... The most highly developed hydrozoans is the blue bottle. Most people think the blue bottle is a jellyfish however they are not, they are actually a colony of individuals.
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www.reefed.edu.au/home/explorer/animals/marine_inverteb...
www.reefed.edu.au/home/explorer/animals/marine_invertebrates/corals_and_jellyfish/hydrozoans
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Discover Life's encyclopedia page about the biology, natural history, ecology, identification and distribution of Cnidaria: Hydrozoa - Hydras, Hydroids, Hydrozoans ... Hydrozoans belong in the phylum Cnidaria. Most hydras alternate between an asexual polyp stage and a sexual medusa stage, though the best-known Hydrozoan,
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www.discoverlife.org/mp/20o?search=Hydrozoa
www.discoverlife.org/mp/20o?search=Hydrozoa
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Better-known hydrozoans include Portuguese man-o-wars (Physalia physalis), the freshwater genus Hydra, fire coral (Milleporidae), ... Hydrozoans are found in nearly all marine habitats, except perhaps heavy surf zones. They are most abundant and diverse in warm shallow waters, probably as a reflection of food abundance.
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animaldiversity.ummz.umich.edu/site/accounts/informatio...
animaldiversity.ummz.umich.edu/site/accounts/information/Hydrozoa.html
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The animals of the class hydrozoa have both a polyp and medusa stage. Siphonophores are a type of hydrozoan with a float for buoyancy. Probably the most famous of these is the species physalia, the Portugese-man-of-war, which is a type of ... * Portugese-man-of-war; ... Pink-mouthed clustered hydroid (Tubularia crocea).
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www.cyhaus.com/marine/hydroids.htm
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Hydrozoans have many cell types, but form only two tissue types for their bodies, epidermus and gastrodermis. Their bodies can range in size from the planula larvae which is measured in micrometers to massive colonial corals covering imense amounts of area.
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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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