Synodontis schall (Bloch & Schneider, 1801)

Wahrindi

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Siluriformes \| Mochokidae
Synonyms	Silurus schall, Hemisynodontis schall, Synodontis arabi, ... more
Common names	Nile squeaker, Catfish, 圆点油鲶, ... more

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Main reference

Gosse, J.-P. 1986. (Ref. 3202)
Other references | Biblio | Coordinator | Collaborators

Size / Weight / Age

Max length : 49.0 cm TL male/unsexed; (Ref. 7362); max. published weight: 500 g (Ref. 3799); max. reported age: 12 years (Ref. 72479)

Environment

Benthopelagic; potamodromous (Ref. 51243); freshwater; pH range: 6.0 - 8.0; dH range: ? - 30

Climate / Range

Tropical; 22°C - 26°C (Ref. 2060)

Africa: Nile basin, Abaia, Stephanie, Rudolf Lake, Tana?, Uebi Guiba (Uebi Shebeli), Chad, Niger, Senegal, Volta?. Also known from Guinea, Sierra Leone and Liberia (Ref. 7362).
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Maximum SL was recorded at 37.0 cm (Ref. 7362). Omnivore, feeds on insect nymph, larvae, eggs and detritus (Ref. 13868). Also feeds on fish, bivalves in the Sudd and snails in Gezira irrigation canals. Oviparous (Ref. 205). Breeding occurs during the flood season (Ref. 28714). Utilized for human consumption.


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Harmless

Human uses
Fisheries: commercial; gamefish: yes


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

Tools
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Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

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


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Low to moderate vulnerability (27 of 100)	Not marketed/unknown

Entered by Binohlan, Crispina B.

Modified by Ortañez, Auda Kareen

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Page last modified by : elaxamana, 15 July 2009

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