Produção Nacional
Revisado por pares
Diet of Lontra longicaudis (Olfers, 1818) (Carnivora: Mustelidae) in three limnic systems in Southern Rio Grande do Sul State, Brazil
2012; Instituto de Tecnologia do Paraná (Tecpar); Volume: 55; Issue: 6 Linguagem: Inglês
10.1590/s1516-89132012000600011
ISSN1678-4324
AutoresFernando Marques Quintela, Luiz Guilherme Schultz Artioli, Rafael Almeida Porciúncula,
Tópico(s)Fish Ecology and Management Studies
ResumoThe aim of the present work was to study the diet of Lontra longicaudis in three limnic systems (anthropogenic shallow lakes, pluvial channel and coastal stream) in Rio Grande do Sul State coastal plain, southern Brazil. Fishes were the most consumed item in all the three systems, being Mugilidae the most representative family in the pluvial channel and coastal stream and Cichlidae in the shallow lakes. Other identified items were mollusks, insects, crustaceans, amphibians, reptiles, birds and mammals and vegetal fragments. The high frequency of birds in the shallow lakes was remarkable, considering the lower frequencies of this item in previous investigations on the species diet. There was a high frequency of swamp eels (Synbranchidae, Synbranchus marmoratus) in the pluvial channel and shallow lakes, which were usually absent or found in low frequencies in previous studies.
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