Environment: milieu / climate zone / depth range / distribution range
Sinh thái học
Biển gần đáy; Mức độ sâu 0 - 6 m (Ref. 96339). Subtropical; 38°N - 27°N, 123°W - 114°W
Eastern Pacific: Tomales Bay in northern California, USA to northern central Baja California, Mexico.
Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm ?  range ? - ? cm
Max length : 18.0 cm TL con đực/không giới tính; (Ref. 2850)
Adults usually occur in shallow rocky areas; in tide pools and at depths up to 6.1 m. Feed on algae and small invertebrates (Ref. 2850). Viviparous, female carries the developing young (Ref. 205).
Life cycle and mating behavior
Maturities | Sự tái sinh sản | Spawnings | Egg(s) | Fecundities | Ấu trùng
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)
Threat to humans
Harmless
Human uses
Các công cụ
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Estimates based on models
Preferred temperature (Ref.
123201): 12.9 - 17.8, mean 15.9 °C (based on 35 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [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).
Mức dinh dưỡng (Ref.
69278): 2.7 ±0.3 se; based on diet studies.
Generation time: 3.0 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Thích nghi nhanh (Ref.
120179): Trung bình, thời gian nhân đôi của chủng quần tối thiểu là 1.4 - 4.4 năm (K=0.3).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (30 of 100).
Nutrients (Ref.
124155): Calcium = 164 [86, 345] mg/100g; Iron = 1.32 [0.81, 2.35] mg/100g; Protein = 18.7 [17.7, 19.7] %; Omega3 = 0.284 [0.163, 0.494] g/100g; Selenium = 12.4 [6.5, 26.4] μg/100g; VitaminA = 19.8 [6.4, 61.0] μg/100g; Zinc = 1.27 [0.88, 1.84] mg/100g (wet weight);