“small” heads and “large” eyes. During the breeding season, male southern sidespot barbs turn “bright golden,” researchers said. The rest of the year, the fish have a more muted yellow ...

Each ray has a sharp barb on ... with few large rays having been seen there since. The rays have also been targeted for the burgeoning aquarium trade, though it is now illegal to fish for ...

The species with “triangle” features and dense scales was believed to have existed in only one waterway in the Yunnan Province, researchers said.