Can Any Fish Breathe Air?

Can Any Fish Breathe Air? Fish use gills to take in oxygen from the water. But many fish, like the mangrove rivulus, have adaptations that let them breathe air. For instance, mangrove rivulus “have specialized skin that takes on many of the roles of gills,” such as maintaining salt levels, Turko says. Is there any

Can Betta Fish Have Ears?

Can Betta Fish Have Ears? Bettas have internal “ears” and can hear things dropped into the aquarium. They have a set of bone structures in their heads that are similar to the hammer, anvil, and stirrup bones you have inside your head for hearing. Can betta fish see you? Betta fish can certainly learn to