Look Alikes
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英语
)
由Invertebrates of the Salish Sea提供
How to Distinguish from Similar Species: Several similar genera such as Campanularia and Clytia have cusps or undulations on the rim of the hydrotheca. Orthopyxis compressa and O. integra have smooth, non-annulated pedicels
Comprehensive Description
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英语
)
由Invertebrates of the Salish Sea提供
Biology/Natural History: The colonies grow in a stolon. This hydroid retains its gametes. The larvae of the pycnogonid Tanystylum duospinum live parasitically on this species.
Habitat
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英语
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由Invertebrates of the Salish Sea提供
Sometimes found abundantly on kelp
Distribution
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英语
)
由Invertebrates of the Salish Sea提供
Geographical Range: British Columbia to southern California.
Habitat
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英语
)
由Invertebrates of the Salish Sea提供
Depth Range: 2-77 m.
Comprehensive Description
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英语
)
由Invertebrates of the Salish Sea提供
As with all thecate hydroids, the hydranth of this species is partly enclosed by a hydrotheca. The hydrotheca is bell-shaped and deeper than wide, and able to contain the entire hydranth when it contracts. There is no operculum. The rim of the hydrotheca is smooth and a diaphragm exists in the lower part of the hydrotheca. The hydranths are on slender, annulated individual stalks connected to stolons. The colony produces small medusae that may or may not be released. The medusae have no stomach.
Orthopyxis everta
(
荷兰语；弗莱芒语
)
由wikipedia NL提供
Orthopyxis everta is een hydroïdpoliep uit de familie Campanulariidae. De poliep komt uit het geslacht Orthopyxis. Orthopyxis everta werd in 1876 voor het eerst wetenschappelijk beschreven door Clark.
Bronnen, noten en/of referenties Geplaatst op:
11-12-2011
Dit artikel is een beginnetje over biologie. U wordt uitgenodigd om op bewerken te klikken om uw kennis aan dit artikel toe te voegen.
Biology
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英语
)
由World Register of Marine Species提供
colonial
van der Land, J. (ed). (2008). UNESCO-IOC Register of Marine Organisms (URMO).
