Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina bottenlevande; djupintervall 0 - 142 m (Ref. 2850), usually ? - 73 m (Ref. 6885). Subtropical; 55°N -
Eastern Pacific: Trail Island, Wark Channel, northern British Columbia to Bahia Santa Maria, southern Baja California, Mexico. Probably occurring in southeastern Alaska (Ref. 2850).
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 23.0 cm TL hane/ej könsbestämd; (Ref. 2850)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 10 - 11; Mjukstrålar i ryggfenan (totalt) : 14 - 17; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 14 - 17. Caudal fin large, barely rounded. Pelvic fins small.
Body shape (shape guide): elongated.
Facultative air-breathing in the genus (Ref. 126274); Commonly found on sand bottom, also on mud bottom. Occurs in intertidal areas and up to 142 m depth (Ref. 2850). Feeds on shrimps and other crustaceans (Ref. 4925). Aquarium observations indicate that this is nocturnal (Ref. 2850).
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))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: kommersiell; Akvarium: Offentliga akvarier
Verktyg
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Uppskattningar baserade på modeller
Önskad temperatur (Ref.
123201): 7.6 - 13.7, mean 10.4 °C (based on 188 cells).
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00603 (0.00290 - 0.01252), b=3.14 (2.96 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.6 ±0.55 se; based on food items.
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Fec=5,700).
Sårbarhet i fisket (Ref.
59153): Low vulnerability (13 of 100).
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