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Cypriniformes (Carps) >
Leuciscidae (Minnows) > Pogonichthyinae
Etymology: Iotichthys: Taken from the Greek letter "iota", with the meaning of the least or in very small quantity + Greek, ichthys = fish (Ref. 45335).
More on author: Cope.
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
; 新鮮な水 底生の. Temperate; 10°C - 26°C (Ref. 2059); 42°N - 41°N
North America: Bonneville basin in northern Utah, USA.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 6.4 cm TL オス/雌雄の選別がない; (Ref. 86798)
簡単な記述
検索表 | 形態学 | 形態計測学
臀鰭: 8. Iotichthys phlegethontis can be distinguished by the following characters: no lateral line (rarely 1-2 pores at front); large scales (34-38 lateral); dorsal-fin origin behind pelvic-fin origin; slender peduncle; 8 anal-fin rays; pharyngeal teeth 2,5-4,2; large eye; short rounded snout; fairly deep, compressed body; color consists of olive above, black specks on back and side, gold stripe along blue side, white to yellow fins; and red-gold lower side, gold eye and anal fins in breeding males (Ref. 86798).
Adults inhabit marshes, ponds, vegetated areas of streams and lakes, usually over mud (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, 2011. A field guide to freshwater fishes of North America north of Mexico. Boston : Houghton Mifflin Harcourt, 663p. (Ref. 86798)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
絶滅危惧 (EN) (B2ab(ii,iii,iv,v)); Date assessed: 21 February 2012
人間の用途
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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) |
PD50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00525 (0.00256 - 0.01076), b=3.10 (2.92 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
栄養段階 (参照 69278) |
3.0 ±0.4 se; based on size and trophs of closest relatives |
回復力 (参照 120179) |
高い, 15か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.). |
漁業の脆弱性 (Ref. 59153) |
Low vulnerability (17 of 100). 🛈 |