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Grampus griseus   (Cuvier, 1812)

Risso's dolphin
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Picture by Aquino, Maria Theresa

Classification Common names | Synonyms | CoL | ITIS | WoRMS

Mammalia | Cetacea | Delphinidae

Main reference References | Biblio | Coordinator | Collaborators

Tan, J.M.L. 1995. (Ref. 936)

Size / Weight / Age

Max length : 380 cm TL male/unsexed; (Ref. 1394); max. published weight: 500.0 kg (Ref. 1394)

Environment

Pelagic; oceanodromous (Ref. 75906); brackish; depth range 497 - 1233 m (Ref. 97367)

Climate / Range

Tropical; 13°C - 28°C (Ref. 75906); 90°N - 90°S, 180°W - 180°E

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Antarctic, Atlantic, the Mediterranean and Indo-Pacific. Tropical to temperate.

Biology     Glossary (e.g. epibenthic)

Inhabits deep oceanic and continental slope waters form the tropics through the temperate regions in both hemispheres. Feeds on crustaceans and cephalopods, but prefer squid (Ref. 1394). Length at first maturity for males ranges from 260 to 280 cm (Ref. 75906). Inhabits deep oceanic and continental slope waters of the tropics through the temperate regions in both hemispheres. Feeds on crustaceans and cephalopods, but prefer squid (Ref. 1394). Breeding is year-round (Ref. 97367).

IUCN Red List Status (Ref. 114614)

CITES status (Ref. 94142)

Threat to humans

Human uses

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

More information

Age/Size
Growth
Length-weight
Length-length
Morphology
Larvae
Abundance
References
Mass conversion

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 | National databases | 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 vulnerability (41 of 100)
Price category (Ref. 80766)
Unknown