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> Cypriniformes (Carps) > Catostomidae (Suckers) > Catostominae
Etymology: Chasmistes: Greek, chanos, -eos, ous, and chasma, -atos = abyss, mouth opened, inmensity (Ref. 45335).
More on author: Cope.

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

; zoet water demersaal; potamodroom (Ref. 51243). Temperate; 41°N - 40°N

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North America: Pyramid and Winnemucca lakes in Nevada, USA.

Grootte / Gewicht / Leeftijd

Maturity: L_m ? range ? - ? cm
Max length : 67.0 cm TL mannelijk / geslacht onbekend; (Ref. 5723); max. gepubliceerd gewicht: 2.7 kg (Ref. 40637); max. gerapporteerde leeftijd: 41 Jaren (Ref. 47054)

Occurs in deep water. Spawns only around margin of Pyramid Lake in Nevada, USA but formerly made spectacular spawning runs up Truckee River in Nevada, USA. Populations were subject to intensive fishing in the 19th and early 20th century; habitats have been greatly altered by water development projects; species is now endangered (Ref. 47054).

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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)

Status op de Rode Lijst van het IUCN (Ref. 130435)

Bedreigd (EN) (B1ac(ii,iv)+2ac(ii,iv)); Date assessed: 02 November 2011

CITES

Appendix I: International trade banned

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless

Gebruik door de mens

Visserij: van minder commercieel belang

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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00501 (0.00202 - 0.01242), b=3.09 (2.87 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

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

Weerstandsvermogen (Ref. 120179): Zeer laag, minimale populatieverdubbelingstijd meer dan 14 jaar (tm=14-17; Fec=30,000).

Fishing Vulnerability (Ref. 59153): Moderate to high vulnerability (47 of 100).

Prijsklasse (Ref. 80766): Unknown.

Chasmistes cujus Cope, 1883