Klassifizierung / Names
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Cypriniformes (Carps) >
Leuciscidae (Minnows) > Leuciscinae
Etymology: Notemigonus: Greek, noton = back + Greek, gonia = angled (Ref. 45335); crysoleucas: notemigonus, angled back; cryso, meaning gold; and leucas, white (Ref. 10294).
More on author: Mitchill.
Environment: milieu / climate zone / depth range / distribution range
Ökologie
; süßwasser; brackwasser demersal; tiefenbereich 10 - ? m. Subtropical; 0°C - 35°C (Ref. 35682); 52°N - 25°N
North America: Atlantic and Gulf Slope drainages from Nova Scotia in Canada to southern Texas, USA; Great Lakes, Hudson Bay (Red River), and Mississippi River basins west to Saskatchewan in Canada, and Montana, west Oklahoma and Texas in USA.
Length at first maturity / Size / Gewicht / Alter
Maturity: Lm 6.4 range ? - ? cm
Max length : 32.0 cm TL Männchen/unbestimmt; (Ref. 86798); common length : 14.4 cm TL Männchen/unbestimmt; (Ref. 12193); max. veröff. Alter: 9 Jahre (Ref. 72462)
Rückenflossenweichstrahlen (insgesamt): 7-9; Afterflossenweichstrahlen: 8 - 19. Body extremely compressed; lateral line strongly decurved; scaleless keel along belly from pelvic to anal fin; dorsal- fin origin behind pelvic-fin origin; mouth small, upturned on pointed snout; appears silver in clear and turbid water, and gold side and fins in coffee-colored water; fins red in southern hemisphere; dusky stripe along side, herringbone lines on upper side of young. Scales on lateral line 44-54; dorsal fin with 7-9 rays; anal fin with 8-19 rays, usually 11-14; rakers on 1st gill arch 17-19; and pharyngeal teeth 0,5-5,0 (Ref. 86798).
Inhabits vegetated lakes, ponds, swamps, backwaters and pools of creeks and small to medium rivers (Ref. 86798). Can tolerate low oxygen levels, high turbidity and high temperature; omnivorous but principally feed on plankton, insects and mollusks (Ref. 27549).
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 Rote Liste Status (Ref. 130435)
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: weniger kommerziell; Aquakultur: kommerziell; Aquarium: Öffentliche Aquarien; Köder: usually
Mehr Information
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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=0.01023 (0.00681 - 0.01537), b=3.07 (2.95 - 3.19), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trophic level (Ref.
69278): 2.7 ±0.1 se; based on diet studies.
Widerstandsfähigkeit (Ref.
120179): mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (tm=2; tmax=5; Fec=200,000).
Fishing Vulnerability (Ref.
59153): Low vulnerability (22 of 100).
