Grampus griseus   (Cuvier, 1812)

Risso's dolphin
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Grampus griseus
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Classification / Names Common names | Synonyms | CoL | ITIS | WoRMS

Mammalia | Cetacea | Delphinidae

Environment / Climate / Range Ecology

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

Length at first maturity / Size / Weight / Age

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

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 prefers squid (Ref. 1394). Breeding is year-round (Ref. 97367).

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

Breeding is year-round.

Main reference References | Coordinator | Collaborators

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

IUCN Red List Status (Ref. 115185)

CITES status (Ref. 108899)

Threat to humans

Human uses

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

More information

Common names
Synonyms
Predators
Reproduction
Maturity
Spawning
Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Morphology
Larvae
Abundance
References
Mass conversion

Internet sources

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(fisheries: species profile; publication : search) | GenBank (genome, nucleotide) | GloBI | GOBASE | Google Books | Google Scholar | Google | ispecies | PubMed | Scirus | Tree of Life | uBio | uBio RSS | Wikipedia (Go, Search) | Zoological Record

Estimates of some properties based on models

Vulnerability (Ref. 71543)
Moderate vulnerability (41 of 100)
Price category (Ref. 80766)
Unknown