Jupiaba citrina tetra described from Brazil

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A new species of Jupiaba tetra from the Madeira River drainage has been described by Brazilian ichthyologists Angela Zanata and Willian Ohara in a recent issue of the journal Neotropical Ichthyology.

The new tetra, which has been named Jupiaba citrina, is named after the yellowish-orange colour of parts of its body in life (Latin citrus=lemon, orange).  

According to the authors, this species was collected over both blackwater and whitewater habitats with a sandy bottom, where it was found to feed on invertebrates and plant matter.

It is distinguished from congeners in having two vertically-elongated humeral blotches, the anterior usually with a darker median portion forming a horizontally-elongated trace pointed anteriorly, and a well defined dark longitudinal line extending from the second humeral blotch to the caudal peduncle; an elongated blotch over the caudal peduncle that extends to the distal tip of the median caudal-fin rays, relatively high number of lateral line scales, predorsal median line without a series of scales, dentary teeth decreasing abruptly in size towards posterior portion, and presence of larger central teeth cusp.

For more information, see the paper: Zanata, AM and WM Ohara (2009) Jupiaba citrina, a new species from rio Aripuanã, rio Madeira basin, Amazonas and Mato Grosso States, Brazil (Characiformes: Characidae). Neotropical Ichthyology 7, pp. 513–518.