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Showing 1 to 3 of 3 for “"Stomach contents analysis"”.
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Alimentação, ciclo reprodutivo e associação de Loligo sanpaulensis Brakoniecki, 1984 (Cephalopoda: Loliginidae) com a ictiofauna demersal na plataforma costeira do Cabo Frio, RJ
… were recorded from 1594 specimens. The degree of stomach and digestive caecum fulness were examinated on 859 specimens and 351 squids had their stomach contents analysed. Loligo sanpaulensis occurred over the shelf in all seasons, with a mean catch of 39.2 ind/hour trawling. Best yields were …
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Characterizing the trophic niche of non-native psedorasbora parva and the consequences for native fish communities.
… by P. parva. Given difficulties in using stomach contents analysis for small cyprinid fishes, stable isotope analysis (13C and 15N) was used to determine the effects of P. parva on the trophic ecology of co-existing fishes. The experimental mesocosms used P. parva and three native fishes …
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A preliminary investigation of the potential effects of the invasive Mozambique tilapia Oreochromis mossambicus on the native fish assemblages of Lake MacLeod, Western Australia
… smaller in the pneumatophore habitat. Based on stomach contents analysis, O. mossambicus and A. caudavittata consumed many of the same food items, but often in different proportions. Little variation was seen among sites, except for Jack’s, and the diets were more separated by species than by …