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Rathkea octopunctata   (Sars, 1835)

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Classification / Names Common names | Synonyms | CoL | ITIS | WoRMS

Hydrozoa | Anthoathecata | Rathkeidae

Environment / Climate / Range

Pelagic.  Polar

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Atlantic, Pacific, Arctic Oceans and the Mediterranean. Mostly boreal, but also in subtropical and tropical.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm Max length : 0.5 cm WD male/unsexed; (Ref. 2992)

Biology     Glossary (e.g. epibenthic)

North-boreal species in the Atlantic and Pacific (Ref. 2376). Species listed only in medusoid stage; very abundant in spring (Ref. 1663, p. 16, 52).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Species listed only in medusoid stage; very abundant in spring (Ref. 1663, p. 16, 52).

Main reference References | Coordinator | Collaborators

Cairns, S.D., D.R. Calder, A. Brinckmann-Voss, C.B. Castro, D.G. Fautin, P.R. Pugh, C.E. Mills, W.C. Jaap, M.N. Arai, S.H.D. Haddock and D.M. Opresko. 2003. (Ref. 1663)

Short description Morphology

Bell height measures 4 mm; short manubrium on a gelatinous peduncle; developing medusa buds on outer walls of stomach, later occupied by developing gonads; 4 distinct lips on the mouth, each with a pair of separated nematocysts knobs; 4 radial canals and 8 tentacle bulbs, 3-5 tentacles on each bulb at the base of each radial canal and 1-3 tentacles on the alternate bulbs; tentacle bulbs and stomach vary from yellowish to reddish to brown coloration (Ref. 2376).

IUCN Red List Status (Ref. 114614)

   

CITES status (Ref. 94142)

Not Evaluated

Threat to humans

Human uses


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More information

Countries
FAO areas
Ecosystems
Occurrences
Introductions
Stocks
Ecology
Diet
Food items
Common names
Synonyms
Predators
Reproduction
Maturity
Spawning
Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Morphology
Larvae
Abundance
References
Mass conversion

Internet sources

BHL | BOLD Systems | Check for other websites | Check FishWatcher | CISTI | DiscoverLife | FAO(Publication : search) | GenBank (genome, nucleotide) | GloBI | GOBASE | Google Books | Google Scholar | Google | ispecies | National databases | PubMed | Scirus | FishBase | Tree of Life | uBio | uBio RSS | Wikipedia (Go, Search) | Zoological Record

Estimates of some properties based on models

Vulnerability (Ref. 71543)
Low vulnerability (10 of 100)
Price category (Ref. 80766)
Unknown