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Ovalentaria/misc (Various families in series Ovalentaria) >
Embiotocidae (Surfperches)
Etymology: Amphistichus: Greek, amphi = on both sides + Greek, stix, -ichos = row (Ref. 45335); rhodoterus: From 'rodoteros' meaning rosy (Ref. 6885).
More on author: Agassiz.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina; brackvatten bottenlevande; djupintervall 0 - 7 m (Ref. 2850). Temperate; 50°N - 34°N, 126°W - 119°W
Eastern Pacific: Vancouver Island, British Columbia, Canada to Avila Beach, central California, USA.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 41.0 cm TL hane/ej könsbestämd; (Ref. 2850); rapporterad maxålder: 9 år (Ref. 56049)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 9 - 10; Mjukstrålar i ryggfenan (totalt) : 25 - 28; Taggstrålar i analfenan: 3; Mjukstrålar i analfenan: 28 - 31. Caudal fin broadly forked (Ref. 6885). Generally silvery overlaid lightly with a brassy cast; light green above; sides with a series of about 9 to 11 narrow vertical dark bars, posteriorly, broken and staggered along the lateral line; caudal and anal fins red (Ref. 6885).
Body shape (shape guide): short and / or deep.
Adults are found in sand beaches in surf on exposed coast, sometimes in bays and backwaters (Ref. 2850). Viviparous, female carries the developing young (Ref. 205).
Viviparous, female carries the developing young (Ref. 205).
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; sportfisk: ja; Akvarium: Offentliga akvarier
Verktyg
Särskilda rapporter
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Internet-källor
Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01413 (0.00844 - 0.02363), b=3.00 (2.85 - 3.15), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.4 ±0.5 se; based on diet studies. |
Resiliens (Ref. 120179) |
Låg, lägsta populationsfördubblingstid 4,5-14 år (tm=3; tmax=9; Fec=39). |
Sårbarhet i fisket (Ref. 59153) |
Moderate vulnerability (44 of 100). 🛈 |
Priskategori (Ref. 80766) |
Unknown.
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