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Perciformes/Cottoidei (Sculpins) >
Cottidae (Sculpins)
Etymology: Hemilepidotus: Greek, hemi = half + Greek, lepis = scale + Greek, ous, otis = ear (Ref. 45335).
Eponymy: Dr Charles Henry Gilbert (1859–1928) was an ichthyologist and fishery biologist, whose main area of study was Pacific salmon. [...] (Ref. 128868), visit book page.
More on authors: Jordan & Starks.
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
海 底生の; 深さの範囲 0 - 604 m (Ref. 50550). Temperate; 66°N -
North Pacific: Hokkaido, Japan to the Bering Sea.
初回成熟時の長さ / サイズ / 重さ / 年齢
成熟: Lm 26.0, range 24 - 28 cm
Max length : 36.0 cm SL オス/雌雄の選別がない; (Ref. 559); common length : 27.0 cm TL オス/雌雄の選別がない; (Ref. 56557); 最大公表体重: 800.00 g (Ref. 56557); 最大記録サイズ: 12 年 (Ref. 56557)
背面の脊椎 (合計) : 11 - 12; 背鰭 (合計) : 20 - 22; 肛門の骨: 0; 臀鰭: 14 - 19. Three zonal scale rows on body; a scale row of small ctenoid scales under the ventral scale row (Ref. 559). Four preopercular spines, the 2nd longest and simple, the 4th flattened; the first dorsal spine longer than the 2nd (Ref. 559).
Body shape (shape guide): elongated.
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Oviparous. Non-copulatory. However according to one study, presence of fertilized eggs in the ovary may have resulted from spermatozoa entering the ovary through the ovarian fluid during spawning, and consequently fertilizing unspawned eggs in the ovaries (Ref. 47168). Fertilized eggs in the ovary develop abnormally however, due to the unavailability of needed elements such as oxygen in the ovary (Ref. 47168).
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のレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
人間の用途
用具
特記事項
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インターネットの情報源
モデルに基づく推定値
好ましい温度 (参照
123201): 0.7 - 14.7, mean 3.9 °C (based on 374 cells).
系統多様性指数 (参照
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00603 (0.00290 - 0.01252), b=3.14 (2.96 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
栄養段階 (参照
69278): 3.6 ±0.1 se; based on diet studies.
回復力 (参照
120179): 低い, 4.5年~14年の倍増期間の最小個体群 (tm = 5-6).
漁業の脆弱性 (Ref.
59153): Low to moderate vulnerability (34 of 100).
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