Abstract
According to the literature, the occurrence of the decapodCyrtograpsus angulatusDana, 1851 (Brachyura, Varunidae), has been reported for the Atlantic Patagonian coast north of 53°S, and along the Pacific coast north of 37°S. The species inhabits muddy bottoms, mainly in estuaries and protected bays. The aim of the present study was to describe the presence ofC. angulatusin stomach contents of littoral fishes, i.e., of the speciesEleginops maclovinus(Cuvier, 1830) collected in the bay of Puerto Cisnes (44°S, Chile) in the summer of 2017. The results revealed thatC. angulatuscan be the main or even practically the exclusive prey forE. maclovinus, and can be directly related with individual weight fish. The presence ofC. angulatusas a practically exclusive component in the stomach contents of the fish, would indicate thatE. maclovinusis an opportunistic predator, and it would apparently predate only onC. angulatus, considering the dominance of the crab in the ecosystem studied.
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