Grampus griseus, Risso's dolphin : fisheries

Grampus griseus   (Cuvier, 1812)

Risso's dolphin

Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Grampus griseus  AquaMaps  Data sources: GBIF OBIS
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Grampus griseus

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

Mammalia | Cetartiodactyla | Delphinidae

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

Pelagic; oceanodromous (Ref. 75906); brackish; depth range 0 - 3510 m (Ref. 116169).  Tropical; 13°C - 28°C (Ref. 75906); 90°N - 90°S, 180°W - 180°E

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Atlantic, the Mediterranean, Indo-Pacific and the Antarctic. 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 of the tropics through the temperate regions in both hemispheres. Feeds in deeper waters (Ref. 122680) on crustaceans and cephalopods, but prefers squid (Ref. 1394). Feeding strategy involves synchronized, individual hunting for non-schooling prey such as deep-sea squids (Ref. 130961).

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. 130435: Version 2024-2)

  Least Concern (LC) ; Date assessed: 21 February 2018

CITES status (Ref. 108899)

Appendix II: International trade monitored

CMS (Ref. 116361)

Appendix II: Migratory species conserved through agreements

Threat to humans

Human uses

Fisheries: commercial
FAO - Fisheries: landings, species profile | FishSource | Sea Around Us

Tools

E-book | Field guide

More information

Trophic Ecology
Food items (preys)
Diet composition
Food consumption
Predators
Ecology
Ecology
Population dynamics
Growth
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Abundance
Life cycle
Reproduction
Maturity
Fecundity
Spawning
Eggs
Egg development
Larvae
Distribution
Countries
FAO areas
Ecosystems
Occurrences
Introductions
Physiology
Oxygen consumption
Human Related
Stamps, coins, misc.
Outreach
Collaborators
Taxonomy
Common names
Synonyms
Morphology
Pictures
References
References

Internet sources

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(Fisheries: species profile; 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

Preferred temperature (Ref. 115969): 4.2 - 15.7, mean 8.7 (based on 2801 cells).
Resilience (Ref. 69278): High, minimum population doubling time less than 15 months (K=0.49-0.57; tm=11).
Fishing Vulnerability (Ref. 71543): High to very high vulnerability (69 of 100).
Price category (Ref. 80766): Unknown.

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