FOOD AND FEEDING HABITS OF TILAPIA ZILLI (PISCES: CICHLIDAE) IN RIVER OTAMIRI SOUTH-EASTERN NIGERIA
2012
Agbabiaka L. A.
Dietary habits of Tilapia zilli (Gervais, 1848) was studied in River Otamiri, Imo State, Nigeria. Fish specimens were procured from Artisanal fishermen every two weeks. Specimens were usually injected 4% formalin at the fishing station prior to laboratory analysis. A total of 97 specimens were analyzed for gut contents using Numerical and frequency of occurrence methods. Data collected showed that Tilapia zilli is an Omnivorous fish with dietary preference for Algae (71.05% and 59.52%), vegetative matter (10.52% and 50.00%), detritus (0% and 11.90%) and aquatic invertebrates larvae such as Chaoborus larvae (52.63% and 47.61%) and Chironomid larvae (31.58% and 21.43%) for juveniles and adult Tilapia respectively.
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