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Busycon carica   (Gmelin, 1791)

knobbed whelk

Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Busycon carica   AquaMaps   Data sources: GBIF OBIS
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Image of Busycon carica (knobbed whelk)
Picture by O'Keefe, Jo

Classification Common names | Synonyms | CoL | ITIS | WoRMS

Gastropoda | Neogastropoda | Melongenidae

Main reference References | Biblio | Coordinator | Collaborators

Bisby, F.A., M.A. Ruggiero, K.L. Wilson, M. Cachuela-Palacio, S.W. Kimani, Y.R. Roskov, A. Soulier-Perkins and J. van Hertum. 2005. (Ref. 19)

Size / Weight / Age

Max length : 24.9 cm DL male/unsexed; (Ref. 83435)


Benthic; depth range 0 - 75 m (Ref. 83435)

Climate / Range

Subtropical; 43°N - 27°N, 82°W - 65°W (Ref. 83435)

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Western Atlantic Ocean: USA and Mexico. From Cape Cod, Massachusetts to Cape Canaveral, Florida (Ref. 101477) and to the northern coast of Campeche, Mexico (Ref. 101490).

Biology     Glossary (e.g. epibenthic)

Maximum depth from Ref. 104440. Intertidal (Ref. 106829) to subtidal (Ref. 101477). Found in sand flats (Ref. 101477). Carnivorous. Forages on intertidal flats and creeks fringed by oyster reef and in subtidal channels (Ref. 106829). Preys on bivalves (Refs. 101524, 101525) such as oysters, scallops and clams (Ref. 106829). It uses the lip of its shell, synchronous with its foot, to penetrate, break off and force open the valves of its prey (Refs. 101524, 101525). Broadcast spawners. Life cycle: Embryos emerged into miniature adults which further develop into grown adults (Ref. 833).

IUCN Red List Status (Ref. 114614)


CITES status (Ref. 94142)

Not Evaluated

Threat to humans

Human uses

Fisheries: commercial
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More information


Internet sources

Alien/Invasive Species database | BHL | BOLD Systems | Check for other websites | Check FishWatcher | CISTI | DiscoverLife | FAO(Publication : search) | GenBank (genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | ispecies | PubMed | Scirus | FishBase | Tree of Life | uBio | uBio RSS | Wikipedia (Go, Search) | Zoological Record

Estimation of some characteristics with mathematical models

Price category (Ref. 80766)