Preliminary studies on food and feeding habits of Polypterus endlicheri and Polypterus senegalus in Lake Chad

Raji, Aminu and Saidu, Armed K. and Maryam, Ahmed T. (2004) Preliminary studies on food and feeding habits of Polypterus endlicheri and Polypterus senegalus in Lake Chad. In: 18th Annual Conference of the Fisheries Society of Nigeria (FISON) , 8-12 December, 2003 , Owerri, Nigeria.

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Abstract

The food and feeding habits of Polyprerus cncllicheri and Polypterus senegalus was carried out in the months of September to October. The food of 33 Polypierus endlicheri as observed include Tilapia species (89.3%), Eutropius niloticus (28.6%), Mayfly nymph (39.3%), Dragon fly larva (56.6%) fish remains (21.4%) and detritus (7.1%). The food of27 Polypterus senegalus as observed include Tilapia sp (88.4%), Eutropius niloticus (27.9%), may fly nymph (23.3%), Dragonfly nymph (34.9%) remains (21.1%) detritus (23.3%). (9 page document) The percentage occurrence of food item found in the stomach of Polypterus endlieheri is 93.3% while that of Polyprerus senegalus is 67.4%. The dominance of Tilapia sp was establish in the study, and there is no significant difference between the feeding habit of Polypterus endlicheri and Polyprerus senegalus.

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