aqua 7(3)_Simpsonichthys reticulatus
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SINGLE PAPER
Volume 7, Issue 3 – October 2003
Wilson J. E. M. Costa and Dalton T. B. Nielsen: Simpsonichthys reticulatus n. sp. (Cyprinodontiformes: Rivulidae): a new annual fish from the Rio Xingu floodplains, Brazilian Amazon, pp. 119-122
Description
SINGLE PAPER
Volume 7, Issue 3 – October 2003
Wilson J. E. M. Costa and Dalton T. B. Nielsen: Simpsonichthys reticulatus n. sp. (Cyprinodontiformes: Rivulidae): a new annual fish from the Rio Xingu floodplains, Brazilian Amazon, pp. 119-122
Abstract
Simpsonichthys reticulatus n. sp., a small annual fish collected in the lower Rio Xingu floodplains, Brazilian Amazon, is described. It is similar to S. costai in having fan-shaped dorsal and anal fins in males, but differs from S. costai by its distinct colour pattern, the number of dorsal and anal fin rays and by the position of the dorsal fin origin in males. It is distinguished from all its congeners by its reticulate colour pattern and a black and light blue oblong spot on the dorsal fin in males.
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