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Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Embiotocidae (Surfperches)
Etymology: Amphistichus: Greek, amphi = on both sides + Greek, stix, -ichos = row (Ref. 45335). More on author: Agassiz.

Environment / Climate / Range Ecology

Marine; demersal; depth range ? - 73 m (Ref. 96339). Subtropical, preferred ?; 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.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 43.0 cm TL male/unsexed; (Ref. 2850); common length : 30.0 cm TL male/unsexed; (Ref. 2850); max. published weight: 2.0 kg (Ref. 2850); max. reported age: 9 years (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).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

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

Main reference Upload your references | References | Coordinator | Collaborators

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)

IUCN Red List Status (Ref. 115185)

Not Evaluated

CITES (Ref. 94142)

Not Evaluated

Threat to humans

Harmless

Human uses

Fisheries: minor commercial; gamefish: yes

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Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805): PD₅₀ = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01318 (0.00552 - 0.03150), b=3.05 (2.84 - 3.26), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic Level (Ref. 69278): 3.5 ±0.0 se; Based on diet studies.

Resilience (Ref. 69278): Medium, minimum population doubling time 1.4 - 4.4 years (K=0.15-0.18; tm=2; tmax=9; Fec=113).

Prior r = 0.29, 2 SD range = 0.09 - 0.91, log(r) = -1.24, SD log(r) = 0.57, Based on: 1 K, 1 tgen, 1 tmax, 1 Fec records

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

Price category (Ref. 80766): Unknown.

Amphistichus argenteus Agassiz, 1854