Asterias amurensis, North Pacific seastar

Asterias amurensis   Lütken, 1871

North Pacific seastar
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Asterias amurensis

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

Asteroidea | Forcipulatida | Asteriidae

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

Benthic; depth range ? - 200 m (Ref. 76803).  Temperate; 7°C - 22°C (Ref. 76803)

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Northern Pacific and the Arctic. Temperate to polar.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm Max length : 50.0 cm WD male/unsexed; (Ref. 76803)

Biology     Glossary (e.g. epibenthic)

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

Members of the class Asteroidea exhibit both asexual (regeneration and clonal) and sexual (gonochoric) means of reproduction. Life cycle: Embryos hatch into planktonic larvae and later metamorphose into pentamorous juveniles which develop into young sea stars with stubby arms.

Main reference References | Coordinator | Collaborators

Ross, D.J., C.R. Johnson and C.L. Hewitt 2006 Abundance of the introduced seastar, Asterias amurensis, and spatial variability in soft sediment assemblages in SE Tasmania: Clear correlations but complex interpretations. Estuarine, Coastal and Shelf Science 67:695-707. (Ref. 8004)

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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Trophic Ecology
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Ecology
Population dynamics
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Length-weight rel.
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Abundance
Life cycle
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Maturity
Fecundity
Spawning
Eggs
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Larvae
Distribution
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FAO areas
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Introductions
Physiology
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Human Related
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References
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

Fishing Vulnerability (Ref. 71543): Moderate vulnerability (40 of 100).
Price category (Ref. 80766): Unknown.

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