Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina bottenlevande; djupintervall 18 - 800 m (Ref. 6793). Temperate
Eastern Pacific: Chirikof Island in the western Gulf of Alaska to Point Loma and Cortez Bank, southern California, USA.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 27.0 cm TL hane/ej könsbestämd; (Ref. 2850)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 9 - 11; Mjukstrålar i ryggfenan (totalt) : 15 - 18; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 13 - 15. Caudal fin fanned out, bluntly rounded; pelvic fins small, extending about one-third distance to anal origin (Ref. 6885). Color olive green to light brown on dorsal surface, creamy yellow to light brown on ventral surface, 4 dark saddles across back, bars of dark blotches on all fins except pelvic and anal fins; sometimes dusky along margin of anal fin; males sometimes variously blotched with orange to red; silvery areas anterior to and behind base of pectorals (Ref. 6885).
Body shape (shape guide): elongated.
Commonly found on sand and mud bottoms (Ref. 2850). Feeds on crustaceans, including shrimps and isopods (Ref. 6885).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00603 (0.00290 - 0.01252), b=3.15 (2.97 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.5 ±0.56 se; based on food items. |
Resiliens (Ref. 120179) |
Låg, lägsta populationsfördubblingstid 4,5-14 år (Preliminary K or Fecundity.). |
Sårbarhet i fisket (Ref. 59153) |
Moderate to high vulnerability (48 of 100). 🛈 |