Classification / Names
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Teleostei (teleosts) >
Cypriniformes (Carps) >
Leuciscidae (Minnows) > Laviniinae
Etymology: Chrosomus: Chrosomus meaning color (Ref. 1998); erythrogaster: From the words erythro, meaning red; and gaster, belly (Ref. 10294).
More on author: Rafinesque.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal. Temperate; 44°N - 34°N
North America: Basins of Lakes Erie and Michigan and Mississippi River from New York to Minnesota, south to Tennessee River drainage in Albama, and White and Arkansas River drainages in Arizona and Oklahoma, USA. Isolated populations on Former Mississippi Embayment in Tennessee, Mississippi and Arkansas; Kansas River system in Kansas; and upper Arkansas River drainage in Colorado and New Mexico, USA.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 9.1 cm TL male/unsexed; (Ref. 86798); common length : 5.8 cm TL male/unsexed; (Ref. 12193); max. reported age: 3.00 years (Ref. 12193)
Chrosomus erythrogaster can be distinguished by having the following characters: 67-95 scales on lateral line; pharyngeal teeth 0,5-5,0; moderately pointed snout, longer than eye in adult; small, moderately oblique (less than 45°), slightly subterminal mouth ending in front eye; 2 black stripes along side with upper one thin broken into spots at rear while lower one wide, becoming thin on caudal peduncle; olive brown above, dusky stripe along back; black spots (sometimes absent) on upper side, often arranged in row; silver yellow side; black wedge-shaped caudal spot; white, yellow or red below; and large males with vivid color, consisting of bright red belly, lower head and base of dorsal fin, and yellow fins (Ref. 86798).
Inhabits rocky, usually spring-fed, pools of headwaters and creeks (Ref. 86798). Also found in streams (Ref. 10294).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
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 Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic level (Ref.
69278): 2.5 ±0.1 se; based on size and trophs of closest relatives
Resilience (Ref.
120179): High, minimum population doubling time less than 15 months (tmax=3).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
