Mammalia |
Cetartiodactyla |
Phocoenidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Pelagic. Temperate; 90°N - 0°S, 180°W - 180°E
Pacific Ocean and the Arctic: Phocoenoides dalli dalli: Sea of Okhotsk, Bering Sea, Gulf of Alaska, Sea of Japan, California Current, Baja California Norte, Alaska; Phocoenoides dalli truei: Kuril, Japan. Temperate through subarctic zones.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm Max length : 240 cm TL male/unsexed; (Ref. 1394); 220 cm TL (female); max. published weight: 200.0 kg (Ref. 1394)
Mainly an offshore deepwater inhabitant, but occurs in narrow channels and fjords where the water is clear and relatively deep (Ref. 1522). Feeds on surface and mid-water fish and squid, especially lanternfish and gonatid squid (Ref. 1394). Feeds on surface and mid-water fish and squid, especially lanternfish and gonatid squid (Ref. 1394); mainly an offshore deep-water inhabitant, but occurs in narrow channels and fjords where the water is clear and relatively deep (Ref. 1522).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Jefferson, T.A., S. Leatherwood and M.A. Webber. 1993. (Ref. 1394)
IUCN Red List Status (Ref. 130435)
CITES status (Ref. 108899)
Threat to humans
Human uses
Fisheries: commercial
FAO - Fisheries: landings, species profile | FishSource | Sea Around Us
Tools
Internet sources
Estimates based on models
Preferred temperature
(Ref.
115969): 1.6 - 13.1, mean 4.7 (based on 2773 cells).
Resilience
High, minimum population doubling time less than 15 months (K=0.4-0.58).
Vulnerability
Moderate vulnerability (44 of 100).
Price category
Unknown.