Aves |
Anseriformes |
Anatidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Others; brackish; depth range 0 - 1 m (Ref. 115936), usually 0 - ? m. Polar
Northeast Pacific, Northeast Atlantic and the Arctic. Temperate to polar.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm Max length : 46.0 cm TL male/unsexed; (Ref. 94965); max. published weight: 622.50 g (Ref. 356)
Culmen: 2.555 cm; tarsus: 3.675 cm; wing: 20.15 cm (Ref. 356). Medium-sized duck; male: blue overall; white slashes on shoulder, neck and back; white spots on head and neck; chestnut flanks; female: brown overall; white ear spot (Ref. 94965).
Depth range based on occurrence (Ref. 115936), to be replaced with a better reference.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
SAUP Database. 2006. (Ref. 356)
IUCN Red List Status (Ref. 130435: Version 2024-1)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Human uses
| FishSource |
Tools
More information
Population dynamicsGrowthAge/SizeLength-weightLength-lengthLength-frequenciesMass conversionRecruitmentAbundance Life cycleReproduction
Maturity
Fecundity
Spawning
Eggs
Egg development
Larvae
Larval dynamics
Human RelatedAquaculture profile
Stamps, Coins Misc.
Internet sources
Estimates based on models
Preferred temperature
(Ref.
115969): 1.2 - 11.3, mean 6.6 (based on 1201 cells).
Vulnerability
Moderate vulnerability (36 of 100).
Price category
Unknown.