In a river of eastern Brazil, an “armored” creature swam along searching for the next meal to sink its “copper colored” teeth ...

"Some species of Characidium are almost identical ... Underestimated diversity in Characidium (Characiformes: Crenuchidae) ...

This article addresses central themes in the study of tropical biodiversity, exploring the roles that speciation, extinction, and dispersal play in the formation of regional assemblages.

Passing scientists scooped up the blotchy animal for a closer look ... to a study published Dec. 6 in the peer-reviewed journal Neotropical Ichthyology. During the surveys, scientists caught ...

Passing scientists looked at their blotchy catch — and discovered a new species. Researchers visited several rivers ...

Passing scientists looked at their blotchy catch — and discovered a new species. Researchers visited ... Dec. 6 in the peer-reviewed journal Neotropical Ichthyology. During the surveys, they ...