Is this the end for this shark? Sharks don’t sleep. Some shark species (great white sharks, whale sharks, hammerheads, and mako sharks) must keep swimming to move water across their gills to get oxygen.
May 29, 2015
Is this the end for this shark? Sharks don’t sleep. Some shark species (great white sharks, whale sharks, hammerheads, and mako sharks) must keep swimming to move water across their gills to get oxygen.