Tropical birds are famous for their brightly colored feathers, and many fish species are ... there’s a reason. This colorful ...

Every year, the aquatic animals die off when the swamp dries up, leaving their eggs behind to hatch when the rains return.

In other cases, however, the new species are delivered ... Cherax rayko belongs to a group of “colorful crayfish” that are part of the ornamental fish trade in Europe and Asia, researchers ...

Scientists discovered new fish species. These include a blob-headed catfish, a tiny pipehorse, and three pacu species.

No, you can't cuddle them, but these fish sure are adorable. Here's what to know before adding them to your tank.

Among these is the vermilion darter, one of 180 freshwater species endemic to the Mobile Basin drainage. While some fish persist in spite of habitat alteration, this colorful darter can't handle the ...

This enormous, colorful coral-reef dweller is slow to reproduce ... filed a petition to list the wrasse under the Endangered Species Act. The fish needs this protection to aid in preventing greenhouse ...

Burbot, such as this colorful specimen ... Minnesota will have a four-fish limit for burbot (also known as eelpout) and newly implemented limits for several other species when the new fishing ...