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> Cypriniformes (Carps) > Catostomidae (Suckers) > Catostominae
Etymology: Xyrauchen: Greek, xyreo = that cuts like a knife + Greek, auchen = neck (Ref. 45335).

Environment: milieu / climate zone / depth range / distribution range Ökologie

; süßwasser demersal; potamodrom (Ref. 51243). Temperate; 37°N - 34°N

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North America: Formerly throughout medium to large rivers of Colorado River basin from Wyoming and Colorado in USA to Baja California in Mexico. Presently known only above Grand Canyon and in Lakes Mead, Mohave and Havasu on lower Colorado River in USA.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 91.0 cm TL Männchen/unbestimmt; (Ref. 5723); common length : 50.0 cm TL Männchen/unbestimmt; (Ref. 12193)

Occurs in silt-bottomed to rock-bottomed backwaters near strong current and deep pools in medium to large rivers, and impoundments.

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

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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 2024-1)

vom Aussterben bedroht (CR) (A2bce); Date assessed: 12 April 2012

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00525 (0.00220 - 0.01254), b=3.09 (2.88 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.1 ±0.4 se; based on size and trophs of closest relatives

Widerstandsfähigkeit (Ref. 120179): niedrig, Verdopplung der Population dauert 4,5 - 14 Jahre. (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): High vulnerability (56 of 100).

Xyrauchen texanus (Abbott, 1860)