分類 / 名稱
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
環境: 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
; 淡水 居於水底的. 亞熱帶的; 35°N - 30°N
North America: lower Colorado River drainage (primarily Gila and Bill William River systems) in New Mexico and Arizona, USA and south through southern Arizona and Pacific drainages of Mexico.
北美洲: 在新墨西哥州與美國亞歷桑那州與南至亞歷桑那州南部與墨西哥西部的太平洋流域的科羅拉多河下游流域 (主要地吉拉河與比爾威廉河流域)。
大小 / 重量 / 年齡
成熟度: Lm ?  range ? - ? cm
Max length : 10.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 86798)
臀鰭軟條: 7. Agosia chrysogaster can be distinguished by its elongated lower lobe on anal fin in large female, 70-95 small lateral scales, small barbell at corner of mouth, long coiled intestine, black peritoneum, rounded snout, slightly subterminal mouth, dorsal fin origin above or slightly in front of pelvic fin origin, 7 anal rays, pharyngeal teeth 0,4-4.0. Color consists of dark gray above, dusky black band along silver side enlarged into black spot at caudal fin base, often gold flecks on side. Large male is light yellow below, with yellow paired fin bases, large dorsal fin (Ref. 86798).
Body shape (shape guide): fusiform / normal.
Adults inhabit shallow sandy and rocky runs, flowing pools of creeks and small to medium rivers. They often occur near cover (Ref. 86798). Migratory behaviour is undetermined (Ref. 126106).
棲息於小溪及小型到中型河川的多沙與多岩石的短淺支流及流動的水潭。 時常生活於靠近表面。
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
北美洲: 在新墨西哥州與美國亞歷桑那州與南至亞歷桑那州南部與墨西哥西部的太平洋流域的科羅拉多河下游流域 (主要地吉拉河與比爾威廉河流域)。
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 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
無危 (LC) ; Date assessed: 16 October 2018
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基於模型的估計
系統發育多樣性指數 (參考文獻
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00871 (0.00401 - 0.01893), b=3.06 (2.88 - 3.24), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (參考文獻
69278): 2.9 ±0.4 se; based on size and trophs of closest relatives
回復力 (參考文獻
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
釣魚的脆弱性 (Ref.
59153): Low vulnerability (10 of 100).
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