The bloodfin tetra is a popular aquarium fish. Like all pets, it needs specific care to stay healthy and happy. A bloodfin tetra is a type of freshwater fish belonging to the Characiforme family. Its ...

Conservation International announced the discovery of a tiny fish with a blood red tail in Venezuela's Upper Caura River. Previously unknown to science, the bloodfin tetra (Aphyocharax yekwanae), ...

Tetras are one of the most popular and diverse types of freshwater aquarium fish. With more than 150 unique types of tetra fish of varying colors, shapes, and sizes, they make a great addition to any ...

CARACAS, Venezuela (Reuters) --Scientists studying an unspoiled jungle river wilderness in Venezuela announced this week the discovery of 10 new fish species, including a red-tailed tiddler, a "punk" ...