Scientific Name
Synodontis schall

Common Name
Wahrindi

Biology
Maximum SL was recorded at 37.0 cm. Omnivore, feeds on insect nymph, larvae, eggs and detritus. Also feeds on fish, bivalves in the Sudd and snails in Gezira irrigation canals. Oviparous. Breeding occurs during the flood season. Utilized for human consumption.

Classification

Classified By

Bloch & Schneider, 1801

Class

Ray-finned fishes (Actinopterygii)

Order

Catfish (Siluriformes)

Family

Squeakers or upside-down catfishes (Mochokidae)

Distribution

Region

Africa

Distribution

Africa: Nile basin, Abaia, Stephanie, Rudolf Lake, Tana?, Uebi Guiba , Chad, Niger, Senegal, Volta?. Also known from Guinea, Sierra Leone and Liberia.

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

22 °C

Water Temperature To

28 °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

benthopelagic

Environment

Freshwater; ; pH range: 6.0 - 8.0; dH range: ? - 30 benthopelagic; potamodromous

Trophic Level

2.92 s.e. 0.40 Based on diet studies.

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

49.0 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

Fisheries: commercial; gamefish: yes

Vulnerability

High vulnerability (65 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (K=0.10-0.54; tmax=3; Fec=64,273)

Threat To Humans

Harmless

IUCN Red List Status

Least Concern (LC)