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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 / rango de profundidad / distribution range
Ecología
marino demersal; rango de profundidad 0 - 73 m (Ref. 96339). Subtropical; 38°N - 32°N, 123°W - 117°W
Eastern Pacific: Bodega Bay in northern California, USA to northern central Baja California, Mexico.
Tamaño / Peso / Age
Madurez: Lm ?  range ? - ? cm
Max length : 43.0 cm TL macho / no sexado; (Ref. 2850); common length : 30.0 cm TL macho / no sexado; (Ref. 2850); peso máximo publicado: 2.0 kg (Ref. 2850); edad máxima reportada: 9 años (Ref. 56049)
Short description
Claves de identificación | Morfología | Morfometría
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).
Life cycle and mating behavior
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
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)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Pesquerías: escaso valor comercial; pesca deportiva: si
Herramientas
Special reports
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Fuentes de Internet
Estimates based on models
Preferred temperature (Referencia
123201): 9.7 - 15.6, mean 12.9 °C (based on 12 cells).
Phylogenetic diversity index (Referencia
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01318 (0.00547 - 0.03178), b=3.05 (2.84 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nivel trófico (Referencia
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.
Resiliencia (Referencia
120179): Medio, población duplicada en un tiempo mínimo de 1.4-4.4 años (K=0.15-0.18; tm=2; tmax=9; Fec=113).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (53 of 100).
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