The study was conducted to investigate the food and feeding habits of , in Lake Ardibo, Ethiopia during dry (February-March) and wet (July-August) months in 2023. Specimens were collected by gillnets of various stretched mesh sizes. The gut contents were analyzed using frequency of occurrences and volumetric methods. A total of 915 specimens were collected; of which 605 (66.12 %) guts contained food. The most frequently occurring prey items were (72.72 %), phytoplankton (66.77 %), detritus (66.77 %), and macrophyte (39 %). Volumetrically, zooplankton (36.27 %), phytoplankton (31.41 %), macrophyte (15.08 %), and detritus (14.81 %) were most important. Frequency occurrences of phytoplankton and zooplankton varied significantly ) between dry and wet months. The volumetric contribution of phytoplankton, zooplankton, macrophytes, and detritus varied significantly ( test, p < 0.05) in dry and wet months. Schoner Diet Overlap Index revealed there were no significant dietary shifts between juveniles and adults. Based on the result of gut contents; showed omnivorous feeding behavior. This investigation is important to understanding the prey-predator relationship and conserving the prey types for optimum production.
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| http://dx.doi.org/10.1016/j.heliyon.2025.e42596 | DOI Listing |
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