Maeotias marginata

Maeotias marginata   (Modeer, 1791)

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

Hydrozoa | Limnomedusae | Olindiidae

Environment: milieu / climate zone / depth range / distribution range Ecology

Pelagic; brackish; pH range: 4.0 - 15.0.  Subtropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Black Sea: Sea of Azov. Introduced in Atlantic and Pacific Oceans.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm Max length : 5.6 cm WD male/unsexed; (Ref. 2376)

Short description Morphology

Often measures less than 40 mm and at most 56 mm in diameter; large manubrium with 4 very long frilly lips and no gastric peduncle; 4 radial canals, each with curtain-like gonads extending onto "arms" of the manubrium; several prominent centripetal canals extending upward in each quadrant of the ring canal; 600 tentacles; numerous statocysts around the bell margin, each with an indistinct ocellus; milky white umbrella and pink blush around the bell margin (Ref. 2376).

Biology     Glossary (e.g. epibenthic)

This is a true brackish water species (Ref. 128415). Medusae released in late spring and early summer and rest on the bottom to feed on small crustaceans (Ref. 2376).

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

Species listed only in medusoid stage (Ref. 1663, p. 18). Medusae released in late spring and early summer; grow up as a cohort. Medusae usually rest at the bottom, some rise to the surface (Ref. 2376).

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 Common and Scientific Names of Aquatic Invertebrates from the United States and Canada: Cnidaria and Ctenophore, Second Edition. American Fisheries Society Special Publication, no,28. XI+115. With CD-ROM. (Ref. 1663)

IUCN Red List Status (Ref. 130435: Version 2025-1)

  Not Evaluated 

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Human uses


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Internet sources

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(Publication : search) | Fishipedia | GenBank (genome, nucleotide) | GloBI | Gomexsi | Google Books | Google Scholar | Google | PubMed | Tree of Life | Wikipedia (Go, Search) | Zoological Record

Estimates based on models

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

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