Environment: milieu / climate zone / depth range / distribution range
Sinh thái học
Biển gần đáy; Mức độ sâu 0 - 100 m (Ref. 50550), usually 10 - 70 m (Ref. 56527). Temperate; 88°N - 40°N, 135°E - 60°W
North Pacific: Hokkaido, Japan and Sea of Okhotsk to the Bering Sea. Arctic Canada.
Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm ? range ? - ? cm
Max length : 112 cm TL con đực/không giới tính; (Ref. 56527)
Các tia vây lưng cứng (tổng cộng) : 83 - 88; Tia cứng vây hậu môn: 0; Tia mềm vây hậu môn: 53 - 54. Four pairs of strong canines on anterior parts of both jaws; molar teeth on prevomerine and palatal bones and posterior part of lower jaw. Dorsal fin without soft rays. Pelvic fins absent.
Found on rocky bottoms (Ref. 559). Benthic (Ref. 58426). Feeds on hard-shelled invertebrates (Ref. 28499).
Life cycle and mating behavior
Maturities | Sự tái sinh sản | Spawnings | Egg(s) | Fecundities | Ấu trùng
Eggs are very large.
Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984. The fishes of the Japanese Archipelago. Vol. 1. Tokai University Press, Tokyo, Japan. 437 p. (text). (Ref. 559)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Các công cụ
Special reports
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Estimates based on models
Preferred temperature (Ref.
123201): -0.6 - 6.9, mean 2.3 °C (based on 1276 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5938 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00398 (0.00174 - 0.00913), b=3.17 (2.97 - 3.37), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Mức dinh dưỡng (Ref.
69278): 3.8 ±0.4 se; based on diet studies.
Thích nghi nhanh (Ref.
120179): thấp, thời gian nhân đôi của chủng quần tối thiểu là 4.5 - 14 năm (Assuming tm>5).
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (67 of 100).
