分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
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
生态学
海洋 居于水底的; 深度上下限 0 - 73 m (Ref. 96339). ; 38°N - 32°N, 123°W - 117°W
Eastern Pacific: Bodega Bay in northern California, USA to northern central Baja California, Mexico.
大小 / 重量 / 年龄
Maturity: Lm ?  range ? - ? cm
Max length : 43.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 2850); common length : 30.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 2850); 最大体重: 2.0 kg (Ref. 2850); 最大年龄: 9 年 (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).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
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)
人类利用
渔业: 低经济; 游钓鱼种: 是的
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Estimates based on models
Preferred temperature (Ref.
123201): 9.7 - 15.6, mean 12.9 °C (based on 12 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 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).
营养阶层 (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.
回复力 (Ref.
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (K=0.15-0.18; tm=2; tmax=9; Fec=113).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (53 of 100).