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Halecium nanum

Common name (e.g. turtle)

Genus + Species (e.g. Caretta caretta)

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Halecium nanum   Alder, 1859


Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Halecium nanum  AquaMaps  Data sources: GBIF OBIS
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No drawings available for Haleciidae.

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

Hydrozoa | Leptothecata | Haleciidae

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

Benthic; brackish; depth range 0 - 31 m (Ref. 87156).  Polar

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Mediterranean, Atlantic and Arctic Oceans: Mostly polar, but also in subtropical, tropical and boreal.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm

Biology     Glossary (e.g. epibenthic)

Minimum depth from Ref. 116013. Known from mangroves (Ref. 86642), tidal inlets, exposed areas of bays, including any ledges at their entrance and surface or near surface water layers, including porpitids and the halopelagic Sargassum sp. fauna; limited to shallow benthic habitats (Ref. 86643). Also found in Carrie Bow Cay, Belize, in patch reefs, Thalassia sp. beds, back reef, outer ridge and fore-reef slopes on substrates composed of dead corals and gorgonians at depths of 3 to 31 m. As with other hydroids, this species exhibits a pelagic medusoid stage (Ref. 87156). Epipelagic (Ref. 116013).

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

Reproduction occurs only in hydroid stage (Ref. 1663, p. 20). Period of reproductive maturity recorded for Carrie Bow Cay, Belize is 10th to 19th May, during which the sample collected had gonophores or medusa buds (Ref. 87156).

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)

IUCN Red List Status (Ref. 130435: Version 2024-2)

  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

Preferred temperature (Ref. 115969): 7.1 - 26.1, mean 11.6 (based on 1237 cells).
Price category (Ref. 80766): Unknown.

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