Common names from other countries
分类 / Names
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Teleostei >
Cypriniformes (Carps) >
Catostomidae (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
生态学
; 淡水 居于水底的. 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 / 年龄
Maturity: Lm ?  range ? - ? cm
Max length : 50.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 5723); common length : 32.3 cm TL 雄鱼/尚未辨别雌雄; (Ref. 12193); 最大体重: 1.2 kg (Ref. 4699); 最大年龄: 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).
栖息于在泥土,沙子或砾石上的小型到中型河的长深水池。 偶然地发现于小溪,大河与圈围水域了。
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
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)
CITES (Ref. 128078)
Not Evaluated
人类利用
游钓鱼种: 是的
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01047 (0.00626 - 0.01752), b=3.00 (2.85 - 3.15), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
营养阶层 (Ref.
69278): 3.4 ±0.47 se; based on food items.
回复力 (Ref.
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (tmax=6).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (40 of 100).