Cymothoa recifea sp. nov. (Isopoda, Cymothoidae) from the mouths of marine fishes of Pernambuco State, Brazil

  • Thatcher V
  • Fonseca F
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Abstract

Cymothoa recifea sp. nov. (Isopoda, Cymothoidae) is described from the mouths of Centropomus undecimalis (Bloch, 1792) and Oligoplites palometa (Cuvier, 1832). The fish hosts were caught near Itamaracá and Cabo de Santo Agostinho, State of Pernambuco, Brazil. The new species bears a superficial resemblance to Cymothoa oestrum (Linnaeus, 1793) from which it differs in a number of important respects. In the new species, the basal carinae are large on pereopods 4-7 and usually pointed, whereas in C. oestrum the carinae are small on pereopods 4-6, large on 7 and not pointed. In the new species, only pleopod 1 is simple and 2-5 are provided with pockets and folds. In the other species, pleopods 1-4 are simple and only 5 has folds.Cymothoa recifea sp. nov. (Isopoda, Cymothoidae) é descrito das bocas de Centropomus undecimalis (Bloch, 1792) e Oligoplites palometa (Cuvier, 1832). Os peixes foram capturados perto de Itamaracá, Estado de Pernambuco, Brasil. A nova espécie apresenta uma semelhança superficial à Cymothoa oestrum (Linnaeus, 1793) da qual distingue-se pôr várias características. Na nova espécie, as expansões nas bases dos pereópodos ("carinae") são grandes nos 4-7 e, geralmente, terminam em pontas agudas. Em contraste, em C. oestrum, estas estruturas são pequenas nos pereópodos 4-6, grande somente no sétimo e não têm pontas agudas. Na nova espécie, somente o pleópodo 1 é simples e 2-5 apresentam bolsas e dobras. Na outra espécie, os pleópodos 1-4 são simples e somente 5 tem dobras.

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APA

Thatcher, V. E., & Fonseca, F. T. (2005). Cymothoa recifea sp. nov. (Isopoda, Cymothoidae) from the mouths of marine fishes of Pernambuco State, Brazil. Revista Brasileira de Zoologia, 22(3), 517–521. https://doi.org/10.1590/s0101-81752005000300001

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