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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.
Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien; brak water demersaal; diepte 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.
Grootte / Gewicht / Leeftijd
Maturity: Lm ? range ? - ? cm
Max length : 41.0 cm TL mannelijk / geslacht onbekend; (Ref. 2850); max. gerapporteerde leeftijd: 9 Jaren (Ref. 56049)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 9 - 10; Dorsale zachte stralen (totaal) : 25 - 28; Anale stekels: 3; Anale zachte stralen: 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).
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 op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-2)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: commercieel; sportvis: ja; Aquarium: Publieke aquaria
Tools
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Estimates based on models
Preferred temperature (Ref.
123201): 10.3 - 14, mean 12.1 °C (based on 57 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01413 (0.00848 - 0.02352), b=3.00 (2.85 - 3.15), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.4 ±0.5 se; based on diet studies.
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (tm=3; tmax=9; Fec=39).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (31 of 100).
