分類 / Names
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Teleostei >
Cypriniformes (Carps)
鯉形目 (Carps) >
Catostomidae (Suckers)
亞口魚科 (Suckers) > Catostominae
Etymology: Minytrema: Latin, minimus = reduced + Greek, trema = aperture; refered to its reduced lateral line (Ref. 45335); melanops: melanops, meaning black appearance (Ref. 10294).
More on author: Rafinesque.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 居於水底的. 亞熱帶的; 46°N - 29°N
North America: lower Great Lakes and Mississippi River basins from Pennsylvania to Minnesota in the USA and south to Gulf; Atlantic and Gulf Slope drainages from Cape Fear River in North Carolina to Colorado River in Texas, USA (absent from most of peninsular Florida).
北美洲: 在美國的五大湖下游與密西西比河流域從賓州到明尼蘇達州而且南至灣; 大西洋斜坡與海灣斜坡流域從北卡羅萊那的費爾岬河到德州的科羅拉多河.(大部分的佛羅里達半島沒有出現)
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 50.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 5723); common length : 32.3 cm TL 雄魚/尚未辨別雌雄; (Ref. 12193); 最大體重: 1.2 kg (Ref. 4699); 最大年齡: 6 年 (Ref. 12193)
Inhabits long deep pools of small to medium rivers over clay, sand or gravel. Occasionally found in creeks, large rivers and impoundments (Ref. 5723). Feeds on organic detritus, copepods, cladocerans, midge larvae and diatoms (Ref. 10294).
棲息於在泥土，沙子或礫石上的小型到中型河的長深水池。 偶然地發現於小溪，大河與圈圍水域.。 (參考文獻 5723) 吃有機的碎屑，橈腳類的動物，水蚤，蚊仔魚與矽藻。 (參考文獻 10294)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
北美洲: 在美國的五大湖下游與密西西比河流域從賓州到明尼蘇達州而且南至灣; 大西洋斜坡與海灣斜坡流域從北卡羅萊那的費爾岬河到德州的科羅拉多河.(大部分的佛羅里達半島沒有出現)
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 瀕危狀態 (Ref. 130435)
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