Harlequin rasboras are a species of small, colorful fish popular for aquariums. Learn how to identify them, how to care for them, and what sets them apart from actual rasbora species.

This week’s beachcombing survey along the Texas coast brought an exciting find — several sargassum frogfish, also known as anglerfish, hidden among the freshly washed-up mats of seaweed. These ...

Adding exotic species to your tank not only enhances its beauty but also introduces interesting behaviors and characteristics ...

The tank held more than 65 saltwater fish as colorful and beautiful as their names: harlequin tusk, puffer fish, powder blue tang and foxface. Within two months, most of the fish died.

I had never heard of harlequin darter until Nov. 9 attending the Fish Endangered Species Technical Advisory Committee meeting at the Forbes Natural History Building to assess the status of ...