Clarias theodorae Weber, 1897
Snake catfish
photo by Mertens, P.

 Family:  Clariidae (Airbreathing catfishes)
 Max. size:  35 cm TL (male/unsexed)
 Environment:  demersal,
 Distribution:  Africa: Zambezi, Kafue and Shire Rivers; Upper Congo system; Lakes Tanganyika, Bangweulu, Kobo, Niumbe, Mweru and Malawi; Chobe, Okavango and Cunene Rivers; Pungwe, Sabi, Lundi Rivers and Zimbabwean tributaries of the Limpopo River; Incomati, Pongolo and Umgeni rivers and Lake Sibaya in Natal and Transvaal tributaries of the Limpopo (Ref. 3820). Also in the middle Congo (Ref. 106245), including the Ubangi (Ref. 248) and several southern tributaries of the Kasai (Ref. 248, 11970).
 Diagnosis:  Dorsal spines (total): 0-0; Dorsal soft rays (total): 78-92; Anal soft rays: 64-76; Vertebrae: 56-61. Head rectangular in dorsal outline; snout broadly rounded; eyes dorsally located. Frontal fontanelle `knife-shaped'; occipital fontanelle very long and oval-shaped. The `dermosphenotic' and supraorbital bones become joined in specimens of 80-90 mm SL. Tooth plates relatively small. Dorsal and anal fins not confluent with caudal fins. gill rakers relatively long, slender and distantly set. Openings of the secondary sensory canals arranged in regular pattern on the flanks.
 Biology:  Lives in vegetated areas in shallow and swampy places around the lake. Occasionally found in cataracts, hiding under rocks (Ref. 248). The species is omnivorous (Ref. 78218) and feeds on insects (Coleoptera, ants, Chironomid larvae) (Ref. 248 & 5595), plant seeds and other fishes (Ref. 78218).
 IUCN Red List Status:   (Ref. 96402)
 Threat to humans:  harmless
 Country info:   
 

 Entered by: Binohlan, Crispina B. - 14.02.91
 Modified by: Geelhand, Dimitri - 21.03.13
 Checked by: Sa-a, Pascualita - 16.08.94

Source and more info: www.fishbase.org. For personal, classroom, and other internal use only. Not for publication.


Page created by Jen, 05.08.02, php script by kbanasihan 06/09/2010 ,  last modified by dsantos, 20/08/10