Mammalia |
Cetartiodactyla |
Delphinidae
Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
Havsvandrande (Ref. 75906); djupintervall 0 - 8000 m (Ref. 1005). Tropical; 10°C - 28°C (Ref. 75906); 90°N - 90°S, 180°W - 180°E
Indo-Pacific, Atlantic Ocean and Mediterranean and Black Sea. Warm temperate and tropical waters. It is not reported in Antarctic territories (Ref. 128552) [Mediterranean population: IUCN 2010 (Ref. 84930): EN, A2abc.]
Length at first maturity / Size / Weight / Age
Könsmognad: Lm ?, range 160 - 190 cm Max length : 260 cm TL hane/ej könsbestämd; (Ref. 1394); 230 cm TL (female); publicerad maxvikt: 135.0 kg (Ref. 1394)
Found in tropical coastal waters (Ref. 1522). Inhabits neritic waters over continental shelves (Ref. 80684). Usually found offshore. Commonly in large herds of 30 or more individuals (Ref. 801). Feeds on small schooling fish and squid; at night on creatures associated with the deep scattering layer (DSL), which migrates towards the surface in the dark (Ref. 1394). Preyed upon by great white sharks (Ref. 8891). Delphinus capensis tropicalis: They were reported to bow ride although not in areas particularly where hunting occurs. Schools in offshore areas are somewhat larger than coastal ones. Some form mixed schools with spinner dolphins (Stenella longirostris), and remains on the outskirts of the spinner school generally. Sexual maturity probably occurs at 200 cm. It is associated with Sardinella sp., various tunas, stomach nematodes, cirriped barnacles, and the isopod Cirolana parva (Ref. 79556).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Eggs | Fecundity | Larvae
Seasonal reproduction (Ref. 97375).
Jefferson, T.A., S. Leatherwood and M.A. Webber 1993 FAO species Identification Guide: Marine Mammals of the World. Rome, FAO. 320 p. + 587 figures. (Ref. 1394)
IUCN Red List Status
(Ref. 130435: Version 2025-1)
CITES status (Ref. 108899)
Threat to humans
Human uses
Fiskeri: kommersiell
FAO - fiskeri: landings, species profile | FishSource | Sea Around Us
Verktyg
Ytterligare information
PhysiologySyreförbrukning
Human RelatedStamps, coins, misc.
Internet-källor
Estimates based on models
Preferred temperature
(Ref.
115969): 1.3 - 10.3, mean 2.4 (based on 15374 cells).
Resiliens
Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (K=0.2; tm=9).
Fishing Vulnerability
Very high vulnerability (75 of 100).
Price category
Unknown.
