Roundtail chub (Gila robusta) fish species and information / pictures of Roundtail chub - Gila robusta

Roundtail chub (Gila robusta) fish species information

Scientific Name
Gila robusta

Common Name
Roundtail chub

Biology
Inhabits rocky runs, sometimes pools, of creeks and small to large rivers. Sometimes common in impoundments.

Classification

Classified By

Baird & Girard, 1853

Class

Ray-finned fishes (Actinopterygii)

Order

Carps (Cypriniformes)

Family

Minnows or carps (Cyprinidae)

Distribution

Region

North America

Distribution

North America: Colorado River drainage in Wyoming, Colorado, Utah, Nevada, New Mexico and Arizona, USA; also Rio Yaqui south to Rio Piaxtla in northwestern Mexico. There are 4 subspecies in USA, others in Mexico: Gila robusta jordani, Gila robusta seminuda, Gila robusta grahami and Gila robusta robusta.

Range

44°N - 28°N

Environment

Climate

Subtropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

benthopelagic

Environment

Freshwater; benthopelagic

Trophic Level

2.81 s.e. 0.32 Based on size and trophs of closest relatives

Occurs in Marine / Salt water

False

Occurs in Brackish water

False

Occurs in Fresh Water

True

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

43.0 cm

Common Length

30.0 cm

Phylogenetic Diversity Index

PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Moderate to high vulnerability (47 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (tmax=8)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated