Clanwilliam redfin (Barbus calidus) fish species and information / pictures of Clanwilliam redfin - Barbus calidus

Clanwilliam redfin (Barbus calidus) fish species information

Scientific Name
Barbus calidus

Common Name
Clanwilliam redfin

Biology
Prefers large, deep pools in clear streams. Feeds mainly on insects from the surface waters. Breeds in summer, males congregating in a nuptial school over vertical rock surfaces in flowing water. Closely related to the Twee River redfin Barbus erubescens (Ref. 7248).

Classification

Classified By

Barnard, 1938

Class

Ray-finned fishes (Actinopterygii)

Order

Carps (Cypriniformes)

Family

Minnows or carps (Cyprinidae)

Distribution

Region

Africa

Distribution

Africa: tributaries of the Clanwilliam Olifants, western Cape, South Africa. Many populations have been reduced or extirpated by introduced alien bass.

Range

31°S - 33°S

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

3.2 s.e. 0.40 Based on food items.

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

8.2 cm

Common Length

Unknown 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

Low vulnerability (20 of 100)

Resilience

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Vulnerable (VU) (B2ab(ii,iii,v))