Saltwater fish tanks have a reputation for being complex and too challenging for beginners. However, the reality is that it’s ...

Sitting on the seafloor, waving colorful tentacles, they lure fish, sting them ... depending on the species, they may be able to create copies of themselves by dividing in two, or laying down ...

Not only are rasboras colorful and beautiful to look at, but they are also a remarkably sociable and good-natured species.

The tree species is limited — there are only 25 known ... Pseudoliparis swirei, also known as the Mariana snailfish, is the deepest known fish in the sea. Pseudoliparis swirei is a small ...

These newly discovered and named species demonstrate how large, small, beautiful, and bizarre the unknown life out there really is. The list is released annually on May 23 in recognition of the ...

Native to the Gila River basin, the loach minnow and spikedace are adapted to the beautiful yet vulnerable ecology of southwestern desert rivers. These rare, pint-sized fish are just two of many river ...

Native to the Gila River basin, the loach minnow and spikedace are adapted to the beautiful yet vulnerable ecology of southwestern desert rivers. These rare, pint-sized fish are just two of many river ...