Food and Feeding Habits of the Guppy, Poecilia reticulata, from Drainage Canal Systems in Lagos, Southwestern Nigeria

摘要: The food and feeding habits of the Guppy, Poecilia reticulata , from drainage canal systems in Lagos Metropolis, Nigeria, was investigated over a period 24 months. Fish samples were collected monthly 15 study sites. A total 2400 fish stomachs analyzed using numerical frequency occurrence methods. P. fed mainly on algae, organic detritus, diatoms, mosquito larvae parts, protozoan, zooplankton parts while algae form most abundant important item, constituting 79.03% items by 33.17% examined. Amongst Ulothrix sp. preferred, 20.82% occurrence. least eaten item 4.46% 1.19% There significant difference (P 0.05) number other consumed for both seasons. However, method there no > three size classes exhibited similar with presence eight categories their stomachs. largest class ate more detritus followed medium small less these items. species is an opportunistic benthopelagic omnivores, whose preference fluctuates season, peak diversity types occurring rainy season.