Do cat fish sleep?

Less like sleep and more like suspended animation, most fish species do spend some time resting. And like us, if they don’t put in enough downtime, they try to make up for it later. Sleep has a simple definition that includes closed eyelids and a particular brainwave pattern in the neocortex; as a result, it’s relatively easy for researchers to determine when a person, another mammal or a bird is asleep. read more

Some species of catfish are nocturnal(sleep during the day) while others are diurnal(active during the day). Channel catfish, a categorization that includes more than 45 species, account for all the commercial food fish production in the United States. There are nearly as many regional nicknames for the fish as there are species. read more