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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 / εύρος βάθους / distribution range
Οικολογία
; Γλυκού νερού βενθικό(ς); ποταμόδρομος (Ref. 51243). Temperate; 37°N - 34°N
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.
Μέγεθος / Βάρος / Age
Γεννητική Ωρίμανση: Lm ? range ? - ? cm
Max length : 91.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 5723); common length : 50.0 cm TL αρσενικό/απροσδιόριστο; (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
Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες
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 Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Phylogenetic diversity index (Αναφ.
82804): PD
50 = 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).
Τροφικό Επίπεδο (Αναφ.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
Ελαστικότητα (Αναφ.
120179): Χαμηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού 4,5 - 14 έτη (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): High vulnerability (56 of 100).
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