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Homarus americanus   Milne-Edwards, 1837

American lobster
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Image of Homarus americanus (American lobster)
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Classification Common names | Synonyms | CoL | ITIS | WoRMS

Malacostraca | Decapoda | Nephropidae

Main reference References | Biblio | Coordinator | Collaborators

Holthuis, L.B. 1991. (Ref. 4)

Size / Weight / Age

Max length : 64.0 cm TL male/unsexed; (Ref. 4); common length : 25.0 cm TL male/unsexed; (Ref. 4)

Environment

Benthic; depth range 0 - 480 m (Ref. 4), usually 4 - 50 m (Ref. 4)

Climate / Range

Temperate; 54°N - 35°N, 78°W - 52°W (Ref. 4)

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Northwest Atlantic and Western Atlantic.

Biology     Glossary (e.g. epibenthic)

Benthic in coastal and shelf waters (Ref. 106894). Possibly a selective feeder, preying mainly on crabs, echinoderms, mussels and polychaetes but also ingesting algae and seaweeds, with a complex foraging behavior and thus capable of maintaining gross diet composition despite of sharp variations in prey availability, seasonality and ontogenetic changes, e.g., molt- and size-related diet shifts (Ref. 33024). Migration does not occur, or only to a limited scale (Ref. 4). The females carry their eggs for 10 to 11 months, ovigerous females are found throughout the year (Ref. 4). 0.5 broods per year (Ref. 81148); 0.15 cm postlarval size (Ref. 81158); 1 month pelagic period (Ref. 81159).

IUCN Red List Status (Ref. 114614)

CITES status (Ref. 94142)

Not Evaluated

Threat to humans

Human uses

Fisheries: highly commercial
FAO(fisheries: production) | FisheriesWiki | Sea Around Us

More information

Age/Size
Growth
Length-weight
Length-length
Morphology
Larvae
Abundance

Internet sources

BHL | BOLD Systems | Check for other websites | Check FishWatcher | CISTI | DiscoverLife | FAO(fisheries: species profile; publication : search) | GenBank (genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | ispecies | PubMed | Scirus | Sea Around Us | FishBase | Tree of Life | uBio | uBio RSS | Wikipedia (Go, Search) | Zoological Record

Estimation of some characteristics with mathematical models

Vulnerability (Ref. 71543)
Moderate to high vulnerability (46 of 100)
Price category (Ref. 80766)
Very high