Klassifizierung / Names
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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.
Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
; süßwasser demersal; potamodrom (Ref. 126106). Subtropical; 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).
Größe / Gewicht / Alter
Geschlechtsreife: Lm ?  range ? - ? cm
Max length : 50.0 cm TL Männchen/unbestimmt; (Ref. 5723); common length : 32.3 cm TL Männchen/unbestimmt; (Ref. 12193); max. veröff. Gewicht: 1.2 kg (Ref. 4699); max. veröff. Alter: 6 Jahre (Ref. 12193)
Adults inhabit long deep pools of small to medium rivers over clay, sand or gravel. Occasionally found in creeks, large rivers and impoundments (Ref. 5723). They feed on organic detritus, copepods, cladocerans, midge larvae and diatoms (Ref. 10294).
Lebenszyklus und Paarungsverhalten
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven
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 Rote Liste Status (Ref. 130435: Version 2025-2 (Global))
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: kleinfischerei; Sportfisch: ja
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Internet Quellen
Schätzungen auf der Grundlage von Modellen
Phylogenetischer Diversitätsindex (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00977 (0.00592 - 0.01613), b=3.02 (2.87 - 3.17), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trophische Ebene (Ref.
69278): 3.4 ±0.47 se; based on food items.
Widerstandsfähigkeit (Ref.
120179): mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (tmax=6).
Anfälligkeit der Fischerei (Ref.
59153): Moderate vulnerability (40 of 100).
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