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 ...

Christmas was fun, the new year has been rung, but summer is far from done for WA's anglers who are enjoying ... breaksea cod, harlequin fish and dhufish. Spanish mackerel are worth targeting ...

One coral-living fish has found an ingenious way to avoid being gobbled up during a nap, a new study finds. The harlequin filefish has evolved to have polka-dot markings that match its coral home.