Abstract:1. Annual killifishes inhabit seasonal ponds and wetlands that dry out completely during the dry season, and tend to present very restricted distributions, meaning that local extinctions can lead to the disappearance of entire populations. 2. Using morphological and genetic approaches the present study identifies a new population of Austrolebias charrua in an isolated area of the lower basin of Maldonado stream (Atlantic Ocean coastal basin) in Uruguay. 3. The new population extends the previous area of occurr… Show more
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