Scientific Name
Clarias werneri

Common Name
Werner's catfish

Biology
Dorsal spines : 0; Dorsal soft rays : 64-92; Anal soft rays: 64 - 79; Vertebrae: 58 - 62. Pectoral fin spine serrated on both inner and outer sides. Head pointed in dorsal outline; snout short and slightly rounded; eyes more dorsally located. Frontal fontanelle short and squat or intermediate between `sole-shaped' and `knife-shaped'; occipital fontanelle long and oval-shaped. The `dermosphenotic' and supraorbital joined. Tooth plates small. gill rakers long, slender and distantly set. Suprabranchial organ well developed. Openings of secondary canals regularly arranged along flanks.

Classification

Classified By

Boulenger, 1906

Class

Ray-finned fishes (Actinopterygii)

Order

Catfish (Siluriformes)

Family

Airbreathing catfishes (Clariidae)

Distribution

Region

Africa

Distribution

Africa: Lakes Victoria, Kyoga, Edward and Tanganyika. Reported from Bahr el Jebel in Sudan.

Range

7°N - 7°S

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

demersal

Environment

Freshwater; demersal

Trophic Level

3.08999991416931 s.e. 0.38 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

23.0 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 to moderate vulnerability (26 of 100)

Resilience

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

Threat To Humans

Harmless

IUCN Red List Status

Least Concern (LC)