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Issue: Vol. 4258 No. 4: 1 May 2017
Type: Article
Published: 2017-05-01
DOI: 10.11646/zootaxa.4258.4.6
Page range: 388–400
Abstract views: 100
PDF downloaded: 10

A new caprellid species (Crustacea: Amphipoda: Senticaudata) from Brazil

Laboratorio de Biología Marina, Departamento de Zoología, Facultad de Biología, Universidad de Sevilla, Avda Reina Mercedes 6, 41012, Sevilla, Spain. Present address: Departamento de Biología, Facultad de Ciencias del Mar y Ambientales, Campus de Excelencia Internacional del Mar (CEI-MAR), Universidad de Cádiz, Av. República Saharaui, s/n, Ap. 40, 11510, Puerto Real, Cádiz, Spain.
Laboratório de Ecologia de Crustacea, Departamento de Zoologia, Universidade Federal do Paraná. Centro Politécnico, Jardim das Américas, Caixa Postal 19020. CEP 81531-980 Curitiba, PR, Brasil.
Laboratorio de Biología Marina, Departamento de Zoología, Facultad de Biología, Universidad de Sevilla, Avda Reina Mercedes 6, 41012, Sevilla, Spain.
Crustacea Caprellidae new species Pseudaeginella Brazil Rio de Janeiro artificial habitats

Abstract

A new species of caprellid, Pseudaeginella arraialensis, is described from Arraial do Cabo, Rio de Janeiro, Brazil. Abundant material was collected in Praia do Forno, associated to hydroids and algae of natural rocky substrata and fouling communities of artificial floating structures. The new species can be distinguished easily from the remaining species in the genus mainly by the pattern of dorsal projections, and by the setose antennae and gnathopod 2 in males. The dietary analysis revealed that the species is omnivorous, with a high contribution of small crustaceans in its diet. Detailed figures showing ontogenetic development and intraspecific variation of P. arraialensis are also included.

 

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