title: Occurrence of the Indo-Pacific freshwater prawn Macrobrachium equidens Dana 1852 on the coast of Brazilian Amazonia, with notes on its reproductive biology.
abstract: The freshwater prawn Macrobrachium equidens, which is native species of the Indo-Pacific Region, was recorded for the first time on the Amazon coast of Brazil. This species was found to inhabit the same environment as two native Macrobrachium species, M. amazonicum and M. acanthurus, and is morphologically very similar to the latter. The identification of the species was confirmed by the genetic analysis of sequences of the mitochondrial Cytochrome Oxidase (COI) gene. A detailed description of the morphological features and reproductive biology of M. equidens in this new environment is presented.
authors.affiliation: Instituto de Estudos Costeiros, Universidade Federal do Pará, Bragança, PA, Brasil.
authors.forename: Cristiana R
authors.initials: CR
authors.lastname: Maciel
authors.forename: Manoel L
authors.initials: ML
authors.lastname: Quadros
authors.forename: Fernando
authors.initials: F
authors.lastname: Abrunhosa
authors.forename: Sandra
authors.initials: S
authors.lastname: Bastos
authors.forename: Horacio
authors.initials: H
authors.lastname: Schneider
authors.forename: Iracilda
authors.initials: I
authors.lastname: Sampaio
mesh_terms: D000818:Animals; D001938:Brazil; D003576:Electron Transport Complex IV / Q000235:genetics*; D005260:Female; D008297:Male; D033541:Palaemonidae / Q000033:anatomy & histology / Q000235:genetics / Q000502:physiology; D016133:Polymerase Chain Reaction; D012098:Reproduction / Q000502:physiology; D012621:Seasons; D012744:Sex Ratio
chemical_list: D003576:Electron Transport Complex IV