There are tens of thousands species of fish around the world, whether it's in an aquarium, river, lake, or ocean. Like all animals (and humans), every single one needs some form of rest for cognitive ...

Fish cannot simply close their eyes for a nap like dogs and cats because they lack eyelids. So, can they sleep with their eyes open, and do they sleep at all? The post How Fish Sleep With Their Eyes ...

But will the penguins even be awake at night? The aquarium assures its guests that they will be. “Don’t worry — African penguins have unusual sleeping patterns and will keep you entertained until your ...

NEWPORT, Ore. — Have you ever wanted to have a sleepover with a Broadnose Sevengill Shark? Fall asleep counting halibut instead of sheep? Well, now you can, because the Oregon Coast Aquarium is ...