LEANDER, Texas — Officials are warning anglers about a beautiful exotic fish recently caught in Central Texas. The aulonocara species of fish, better known as Peacock Cichlids, are native to Lake ...

The Seaside Aquarium in Seaside, Ore., shared images of the fish on its Facebook page. In the photos, the large, brightly colored opah can be seen laying on the sand near the water’s edge. The ...

A clever tropical fish has flipped how biologists are thinking about memory, brains and visual recognition in the animal ...

These fish are guaranteed not to fade into the background in your aquarium. From garden ponds filled with Koi Carp to the humble goldfish bowl (although goldfish need larger tanks to thrive) – the UK ...