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Reef fish assemblage and zoogeographic affinities of a scarcely known region of the western equatorial Atlantic

2014; Cambridge University Press; Volume: 95; Issue: 3 Linguagem: Inglês

10.1017/s0025315414001404

1469-7769

João Eduardo Pereira de Freitas, Tito Monteiro da Cruz Lotufo,

Ichthyology and Marine Biology

Based on data from 151 underwater surveys (scuba) between 2002 and 2007, the present study assessed the reef fish fauna from a scarcely known region on the north-eastern Brazilian coast (Ceará State). A checklist of 179 taxa is provided and the zoogeographic patterns are analysed and discussed, including six other localities. Based only on assemblage composition, the reef fish fauna from Ceará showed a strong resemblance (73%) with the reefs of Risca do Zumbi (RN) and Paraiba (PB). The data from the visual censuses including abundance values corroborate the evaluation based only on composition and suggest ecological factors as the main drivers of the fish assemblages in the region.