An invasive fish caught Friday in the San Gabriel River north of Austin was the first of its kind documented in the wild in the United States, Texas Parks and Wildlife Department officials said this ...

While cichlids are common throughout Texas waterways, the peacock genus is endemic to East Africa's Lake Malaway, the second-largest lake in Africa. Known for their striking colors, the rare, tropical ...

Pacu mainly feed on plant material and also like to munch on seeds and nuts, which is why they have teeth that "look similar to human teeth," according to the museum. Staff believe the fish was ...