| Summary: | The ichthyofauna of the rocky substrate of Currais Archipelago and Itacolomis Island (Paraná state, Brazil) was surveyed between October 2008 and August 2009 through visual census, using 40 m2 (20x2 m) band transects at an average depth of 6 m. A total of 14,210 individuals (66 species from 33 families) were observed in 336 band transects, covering an area of 13,440 m2. Stegastes fuscus, Abudefduf saxatilis, Haemulon aurolineatum and Malacoctenus delalandii were the most abundant species. “Carnivore” was the most species-rich category, and “Mobile Invertebrate Feeder” the most abundant. Nine species are added to the list of reef fishes of the Paraná state: Acanthurus coeruleus, Dactylopterus volitans, Epinephelus morio, Myrichthys breviceps, Ophioblennius trinitatis, Paraclinus spectator, Scorpaena brasiliensis, and Selene vomer.
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