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: Campostoma: Greek, kampe = curved + Greek, stoma = mouth (Ref. 45335); ornatum: Campo=curved and stoma=mouth (in reference to its U-shaped mouth); ornate referring to ornamental coloration of breeding males (Ref. 79012).
More on author: Girard.
環境： 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
; 淡水 底中水層性. 亞熱帶的; 33°N - 25°N
North America: Rio Grande system of Big Bend region in southern Texas, USA; Rucker Canyon and Leslie Creek in extreme southeastern Arizona, USA. Widespread in northern Mexico.
北美洲: 在美國德州南部中的大彎曲區域的 Rio Grande 系統; 在美國亞歷桑那州東南端中的 Rucker 峽谷與萊斯利小溪。 廣泛分佈於墨西哥北部。
大小 / 重量 / 年齡
成熟度: Lm ? range ? - ? cm
Max length : 16.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 86798); common length : 8.3 cm TL 雄魚/尚未辨別雌雄; (Ref. 12193)
Adults inhabit rocky riffles and adjacent pools of headwaters and creeks (Ref. 86798). Herbivorous, bottom feeder (Contreras-Balderas 1974) feeding mainly on diatoms, bacteria and algae (Ref. 79012). Migratory behaviour is undetermined (Ref. 126106).
棲息於河源上游與小溪的岩石急流與毗連水池。
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Adult males construct spawning pits by digging into the gravel with their snouts or mouths and remove small pieces of substrate (Ref. 51088, 31216). Mating occurs in the pits afterwhich the eggs are abandoned (Ref. 51087). Males are highly territorial (Ref. 51087). In other occasions, Campostoma species spawn in nests of Nocomis and Semotilus and with each other as nest associates (Ref. 51087). Also Ref. 51089.北美洲: 在美國德州南部中的大彎曲區域的 Rio Grande 系統; 在美國亞歷桑那州東南端中的 Rucker 峽谷與萊斯利小溪。 廣泛分佈於墨西哥北部。
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: 11 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 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00537 (0.00266 - 0.01086), b=3.10 (2.92 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
回復力 (參考文獻
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
釣魚的脆弱性 (Ref.
59153): Low vulnerability (10 of 100).
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