Silurus aristotelis

photo by Kommatas & Sanda

Family:	Siluridae (Sheatfishes)
Max. size:	46 cm TL (male/unsexed); max. reported age: 10 years
Environment:	demersal; freshwater
Distribution:	Europe: Acheloos drainage in Greece. Introduced in Lakes Pamvotis and Volvi.
Diagnosis:	Distinguished from Silurus glanis by the following unique characters: one pair of mental barbels; and anal fin with 66-75½ rays (Ref. 59043).
Biology:	Inhabits lowland rivers and nutrient-rich lakes. Feeds at night mainly on fish. Also preys on crustaceans, gastropods, insects, amphibians and aquatic snakes. Spawns in pairs. Attains first sexual maturity at 2-3 years of age (Ref. 59043).
IUCN Red List Status:	Data deficient (DD); Date assessed: 31 January 2006 Ref. (130435)
Threat to humans:	harmless

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