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Primeiro registro de Apiomithrax violaceus (A. Milne Edwards) e Hypoconcha arcuata Stimpson (Crustacea, Decapoda, Brachyura) para o litoral do Ceará, Brasil

2005; Sociedade Brasileira de Zoologia; Volume: 22; Issue: 4 Linguagem: Inglês

10.5380/rbz.v22i4.6909

1806-969X

Luís Ernesto Arruda Bezerra, Alexandre Oliveira Almeida, Petrônio Alves Coêlho,

Fish biology, ecology, and behavior

Occurrence of the brachyuran crabs Apiomithrax violaceus (A. Milne Edwards, 1868) (Crustacea, Decapoda, Pisidae) and Hypoconcha arcuata Stimpson, 1858 (Crustacea, Decapoda, Dromiidae) is reported for the coast of Ceara, Brazil northeast, for the first time. A. violaceus was collected in August 2004 at Pedra Rachada beach, Paracuru, Ceara (03o25’S, 39o04’W), while H. arcuata was collected on the continental shelf, off Fortaleza city (03o41’S, 38o32’W). With the present record, the geographic range of A. violaceus , an amphi-Atlantic species, is extended northward in the western Atlantic. This species seems to be rare in northeastern, Brazil. Occurrence of H. arcuata in Ceara fills one of the gaps in the geographic ranges known for this species along Brazilian coast.