分類 / 名前
共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
; 新鮮な水; 汽水性の 底生の漂泳性. Temperate; 39°N - 35°N
North America: Sacramento-San Joaquin, Pajaro and Salinas River drainages; Clear Lake in California, USA; also Russian River, where possibly introduced; introduced to Santa Ana River in California and Humboldt River system in Nevada.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 55.0 cm TL オス/雌雄の選別がない; (Ref. 5723); common length : 35.0 cm TL オス/雌雄の選別がない; (Ref. 12193); 最大記録サイズ: 5 年 (Ref. 72462)
簡単な記述
検索表 | 形態学 | 形態計測学
背鰭 (合計) : 9 - 11. Dorsal fin with 9-11 rays; dorsal-fin origin in front of pelvic-fin origin; 90-105 scales on lateral line; wide head, flat above; slightly upturned mouth; slender, compressed body; long narrow caudal peduncle; pharyngeal teeth 0,6-6,0 or 0,6-5,0; light to dark gray above, often olive sheen; silver side (Ref. 86798).
Body shape (shape guide): fusiform / normal.
Adults occur in lakes, backwaters and sluggish pools of small to large rivers. Usually found in warm turbid water (Ref. 86798). Migratory behaviour is undetermined (Ref. 126106).
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Page, L.M. and B.M. Burr, 1991. A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p. (Ref. 5723)
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
系統多様性指数 (参照
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01148 (0.00451 - 0.02922), b=3.03 (2.81 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
栄養段階 (参照
69278): 2.0 ±0.2 se; based on size and trophs of closest relatives
回復力 (参照
120179): 非常に低い, 14年以上の倍増期間の最小個体群 (Preliminary K or Fecundity.).
漁業の脆弱性 (Ref.
59153): Moderate vulnerability (42 of 100).
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