Aves |
Anseriformes |
Anatidae
Environment: milieu / climate zone / εύρος βάθους / distribution range
Οικολογία
; Γλυκού νερού; Υφάλμυρο; εύρος βάθους 0 - 5 m (Αναφ. 115854). Subtropical
Western Atlantic and Northeast Pacific: Winters along Pacific coast from Aleutian Islands to Mexico, across S USA along Gulf coast, N to New England, Greater Antilles.
Length at first maturity / Μέγεθος / Weight / Age
Γεννητική Ωρίμανση: Lm ? range ? - ? cm Max length : 39.0 cm TL αρσενικό/απροσδιόριστο; (Αναφ. 94965); μεγ. δημοσιευμένο βάρος: 403.50 g (Αναφ. 356)
Culmen: 2.7 cm; tarsus: 3.125 cm; wing: 16.5 cm.
Depth range based on occurrence in Chesapeake Bay (Ref. 115854). To be replaced with a better reference. Surface diving; dabbling; coastal. Winters along Pacific coast from Aleutian Islands to Mexico, across South of USA along Gulf coast, North to New England, Greater Antilles (Ref. 356). Feeds on small snails, insects and animal larvae in freshwater habitats, and clams, snails, amphipods and worms in marine ecosystems (Ref. 94965). Common diving depth of 1 to 5 m (Ref. 115854).
Life cycle and mating behavior
Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Eggs | Γονιμότητα | Larvae
SAUP Database 2006 SAUP Database. www.seaaroundus.org. (Αναφ. 356)
IUCN Red List Status
(Αναφ. 130435: Version 2025-1)
CITES status (Αναφ. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Human uses
| FishSource |
Εργαλεία
Περισσότερες πληροφορίες
Population dynamicsΑύξησηMax. ages / sizesLength-weight rel.Length-length rel.Length-frequenciesMass conversionΑφθονία Life cycleΑναπαραγωγή
Γεννητική Ωρίμανση
Γονιμότητα
Γεννοβολία
Eggs
Egg development
Larvae
PhysiologyΚατανάλωση οξυγόνου
Human RelatedStamps, coins, misc.
Διαδικτυακές πηγές
Estimates based on models
Preferred temperature
(Ref.
115969): 5.6 - 11.3, mean 9 (based on 519 cells).
Fishing Vulnerability
Low to moderate vulnerability (29 of 100).
Price category
Unknown.
