Clytia hemisphaerica, a member of the early-branching animal phylum Cnidaria, is emerging rapidly as an experimental model for studies in developmental. Full Name, Clytia hemisphaerica. Genus, Clytia. Species, hemisphaerica. Common Name, Jellyfish. Abbreviation, C. hemisphaerica. Trends Genet. Apr;26(4) doi: / Clytia hemisphaerica: a jellyfish cousin joins the laboratory. Houliston E(1), Momose T, .

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Clytia hemisphaerica – Marine Life Encyclopedia

Linnaeus, Description Mainly after Russell, a. Stomach short, quadrate, with small base; no peduncle. Mouth with four short hemosphaerica. Radial canals straight, usually four but individuals having.

Marginal tentacles typically 32 but fewer in young medusaesmooth, hollow, with spherical bases; marginal bulbs few, partially developed; no cirri. Size Bell diameter typically up to ca 20 mm but 1arger specimens sometimes occur, C.

Fully extended tentacles times diameter of bell Kramp, Russell a gave details of annual variation in dimensions but some of his data probably referred to C. Colour Colouration varied, marginal tentacle bases and stomach yellowish, yellow brown, reddish brown, greenish or purple; gonads yellowish. Ecology Often confused with C. The following is certain: Depth range — Medusa hemisphaerkca coastal plankton. Recorded several times rafting on fish and on their crustacean ectoparasites.

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Commonly occurring from shallow subtidal to several tens of metres, but recorded also intertidally and down to ca m; some much deeper unchecked records.

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Records from Baltic indicate tolerance of brackish water. Distribution in the North Sea Both hydroid and medusa are among the commonest leptolids throughout; occurs also in the Skagerrak, Kattegat and Baltic.

World distribution Near- cosmopolitan in coastal waters but difficulties of identification in this genus make nearly all records suspect. Still, it seems that either this species or its close siblings have an enormous geographical range.

Clytia hemisphaerica Linnaeus, Scientific synonyms and common names Medusa hemispaerica Linnaeus, Phialidium hemisphaericum Linnaeus, Campanularia johnstoni Alder, Many other synonyms. Hydroids and medusae of the family Campanulariidae recorded from the eastern North Atlantic, with a World synopsis of genera. North-West European thecate hydroids and their Medusae.

Centre national de ressources biologiques marines

Nematocysts in the Phialidium medusae of Clytia hemisphaerica Hydrozoa, Campanulariidae studied by light and scanning electron microscopy. The Plymouth offshore medusa fauna.

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The medusae of the British Isles. Anthomedusae, Leptomedusae, Limnomedusae, Trachymedusae, and Narcomedusae.

Cambridge University Press, pp. Beobachtungen an den Hydroiden der Kieler Bucht. Over Eucheilota flevensis Van Kampen, en enige andere hydromedusen deel 2. Het Zeepaard, 61 2: For further info about Clytia hemisphaericayou can also look up this species under:. Clytia hemisphaerica species group: Zooplankton of the South Hmisphaerica Ocean. You can continue searching for Clytia hemisphaerica on one of these Web sites:. Zooplankton and Micronekton of the North Sea M.

Clytia hemisphaerica Linnaeus, Scientific synonyms and common names Medusa hemispaerica Linnaeus, Phialidium hemisphaericum Linnaeus, Hemosphaerica johnstoni Alder, Many other synonyms.

The Danish Ingolf-Expedition 5 8: For further info about Clytia hemisphaericayou can also look up this species under: Zooplankton of the South Atlantic Ocean You can continue searching for Clytia hemisphaerica on one of these Web sites: