分類 / 名稱
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cypriniformes (Carps) >
Leuciscidae (Minnows) > Pogonichthyinae
Etymology: Pogonichthys: Greek, pogon = beard + Greek, ichthys = fish (Ref. 45335).
More on author: Ayres.
環境: 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
; 淡水; 半鹹淡水 底中水層性; 河川洄游 (Ref. 126106). 溫帶; 39°N - 36°N
North America: formerly throughout the Sacramento-San Joaquin River drainage in California, USA; now mostly in San Francisco Bay Delta and lower Sacramento and San Joaquin rivers.
北美洲: 從前在美國加州知道在薩克拉門托河- 聖約昆河的河流域各處; 現在侷限於舊金山海灣三角州與薩克拉門托河河下游。
大小 / 重量 / 年齡
成熟度: Lm ?  range ? - ? cm
Max length : 44.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 5723); common length : 30.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 12193); 最大年齡: 5 年 (Ref. 72485)
背的軟條 (總數) : 9 - 10. Body long, slender and compressed; dorsal-fin origin in front of pelvic-fin origin; upper lobe of caudal fin longer than lower lobe; barbel at corner of slightly subterminal mouth; scales on lateral line 57-64, usually 60-62; dorsal fin with 9-10 rays; 1st gill arch with 14-18 rakers; pharyngeal teeth 2,5-5,2; olive-gray above, silver gold side; large specimen with hump on nape; and red-orange caudal and paired fins (Ref. 86798).
Inhabits lakes and backwaters and pools of rivers. Tolerant of brackish water (Ref. 5723, 86798).
棲息於河川與湖泊的洄水區與水池。 寬容的半淡鹹水.(參考文獻 5723)
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: 從前在美國加州知道在薩克拉門托河- 聖約昆河的河流域各處; 現在侷限於舊金山海灣三角州與薩克拉門托河河下游。
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: 20 April 2012
人類使用
工具
特別的報告
下載 XML
網路資源
基於模型的估計
系統發育多樣性指數 (參考文獻 82804) |
PD50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high]. |
|
Bayesian length-weight
|
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). |
營養階層 (參考文獻 69278) |
2.9 ±0.3 se; based on size and trophs of closest relatives |
回復力 (參考文獻 120179) |
低的, 最小族群倍增時間4.5 - 14 年 (Preliminary K or Fecundity.). |
釣魚的脆弱性 (Ref. 59153) |
High vulnerability (56 of 100). 🛈 |