Brazilian species of the genera acetes H. Milne Edwards, 1830 and Peisos Burkenroad, 1945 (Decapoda: Sergestidae)

Abstract

In Brazil the genera Acetes H. Milne Edwards, 1830, and Peisos Burkenroad, 1945, are represented by three species and one subspecies: Acetes americanus americanus, Acetes paraguayensis, Acetes marinus, and Peisos petrunkevitchi. Acetes paraguayensis occurs in freshwater in afftuents of the Amazon and Paraguay Rivers. Acetes marinus occurs in oceanic and estuarine waters of Suriname and northern Brazil, is reported from Pará (Tocantins River), and is recorded for the first time from Amapá. Acetes americanus americanus is found throughout Brazilian coastal waters. The range of Peisos petrunkevitchi is extended from Rio de Janeiro (22°29'S, 41 °47'W), Brazil, to Chubut, 44°S, Argentina.