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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).
More on author: Agassiz.

Environment: milieu / climate zone / depth range / distribution range Ecologie

marien demersaal; diepte 0 - 73 m (Ref. 96339). Subtropical; 38°N - 32°N, 123°W - 117°W

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Eastern Pacific: Bodega Bay in northern California, USA to northern central Baja California, Mexico.

Grootte / Gewicht / Leeftijd

Maturity: L_m ? range ? - ? cm
Max length : 43.0 cm TL mannelijk / geslacht onbekend; (Ref. 2850); common length : 30.0 cm TL mannelijk / geslacht onbekend; (Ref. 2850); max. gepubliceerd gewicht: 2.0 kg (Ref. 2850); max. gerapporteerde leeftijd: 9 Jaren (Ref. 56049)

Mostly found in surf of sand beaches, but reported from trawl catches at depths up to 73 m. Also occur near rocks, pilings and other sources of cover and food. Usually form small groups. Also caught from piers and skiffs. Feed preferably on sand crabs but also eats clams and other invertebrates. Viviparous, female carries the developing young (Ref. 205). Minimum depth range based on ecology (Ref. 96339).

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Viviparous, female carries the developing young (Ref. 205).

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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)

Niet geëvalueerd

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless

Gebruik door de mens

Visserij: van minder commercieel belang; sportvis: ja

FAO - Publication: search | FishSource |

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Estimates based on models

Preferred temperature (Ref. 123201): 9.7 - 15.6, mean 12.9 °C (based on 12 cells).

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01318 (0.00559 - 0.03107), b=3.05 (2.84 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trofisch niveau (Ref. 69278): 3.5 ±0.0 se; based on diet studies.

Generation time: 7.5 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies.

Weerstandsvermogen (Ref. 120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (K=0.15-0.18; tm=2; tmax=9; Fec=113).

Fishing Vulnerability (Ref. 59153): Moderate to high vulnerability (53 of 100).

Prijsklasse (Ref. 80766): Unknown.

Amphistichus argenteus Agassiz, 1854