Abstract:ABSTRACT. Life history traits of Characidium pterostictum Gomes, 1947 (Characiformes, Crenuchidae) from three diff erent reaches of the upper Sinos river, southern Brazil, were described and comparatively analyzed according to the longitudinal gradient. For all reaches, results indicated a seasonal reproductive strategy with a higher intensity during warmer months of higher photoperiod (November to February). Only females were found in the upstream reach and they were more numerous than males in all the sampl… Show more
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