You may have a fear in common with many first-time saltwater aquarists. You’re worried about going to bed at night with a beautiful aquarium, only to wake up in the morning with all your fish belly-up ...

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

The Aquarium of the Pacific in Long Beach has launched an inaugural Marine Species Report Card assessing the population status of 30 mammals, fish and more. The head of the aquarium described the ...