Ptychocheilus lucius  Girard, 1856

Colorado pikeminnow
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Ptychocheilus lucius
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Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Cypriniformes (Carps) > Cyprinidae (Minnows or carps) > Leuciscinae
Etymology: Ptychocheilus: Greek, ptyx, ptychos = fold + Greek, cheilos = lip (Ref. 45335).   More on author: Girard.

Environment / Climate / Range Ecology

Freshwater; demersal; potamodromous (Ref. 51243).   Temperate; 42°N - 31°N

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 180 cm TL male/unsexed; (Ref. 5723); common length : 52.5 cm TL male/unsexed; (Ref. 12193); max. reported age: 12 years (Ref. 12193)

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

North America: Colorado River drainage in Wyoming, Colorado, Utah, New Mexico, Arizona, Nevada and California, USA and Mexico. Now mostly restricted to Utah and Colorado and extirpated from the southern portion of the range by the construction of large dams on the Colorado and Gila Rivers.

Biology     Glossary (e.g. epibenthic)

Inhabits pools of medium to large rivers. Large individuals usually occur in deep, flowing rocky or sandy pools.

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

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. 96402)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5625   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00631 (0.00296 - 0.01347), b=3.05 (2.86 - 3.24), based on LWR estimates for this Subfamily-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  2.7   ±0.3 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278):  Low, minimum population doubling time 4.5 - 14 years (tmax=12).
Vulnerability (Ref. 59153):  Very high vulnerability (80 of 100) .
Price category (Ref. 80766):   Unknown.