Ampelisca macrocephala   Lilljeborg, 1852

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

Malacostraca | Amphipoda | Ampeliscidae

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

Benthic; depth range 30 - 400 m (Ref. 117599).  Polar; 77°N - 33°N, 180°W - 180°E

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Arctic, Northern Pacific and Northern Atlantic: from California, USA to Alaskan Arctic and Chukchi, east to Baffin Bay, Kara and Laptev Seas, south to Japan. Polar to tropical.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cmmax. reported age: 2.00 years (Ref. 96428)

Biology     Glossary (e.g. epibenthic)

Maximum depth from Ref. 125117.

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

Members of the order Amphipoda are gonochoric and sexually dimoprhic (males larger than females). Mating behavior: Males locate potential partners with the aid of their antenna to detect the pheromones released by the females; the male then rides or carries the female until the latter is ready to molt. When the female is ready, the male pushes the sperm into the marsupium and releases the female afterwards. A few hours later, the female releases her eggs into the marsupium for fertilization. Life cycle: Eggs are brooded in the marsupium. Eggs hatch into juveniles and remain in the marsupium for a few days. Each species undergo 20 molts at most, i.e., 1-year long life cycle.

Main reference References | Coordinator | Collaborators

Jennings, S., J. Lancaster, A. Woolmer and J. Cotter. 1999. (Ref. 3123)

IUCN Red List Status (Ref. 130435: Version 2024-1)

  Not Evaluated 

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Human uses


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References

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

Resilience (Ref. 69278): High, minimum population doubling time less than 15 months (Fec=60; tmax=2).
Price category (Ref. 80766): Unknown.

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