Harlequin rasboras are common, colorful aquarium fish that carry with them a slightly deceptive name. Once thought to be a type of rasbora fish, studies showed that they were different enough that ...

The Harlequin Rasbora is a small freshwater fish with a distinctive black triangular patch on its orange-red body. This species is native to Southeast Asia and is known for its peaceful nature and ...

ST. PETERSBURG, Fla.— In a legal victory for the Center for Biological Diversity, the U.S. Fish and Wildlife Service today agreed to decide this summer whether to protect the Puerto Rico harlequin ...