Just like in your fish tank you have to clean it out so when you do you either do that often so you can get air in the water or you haves bubbler so in the ocean it has rivers making bubbles constantly or even the rain will do it
compare fish and lizard
Fish can absorb water by the gills
Fish breathe oxygen, which they extract from the water with their gills.
Gills allow the fish to extract oxygen from the water. Without oxygen, the fish would die. So the answer is TRUE.
The way in which insects and fish breathe differs in the process in which each receives oxygen. Insects use a tracheal system to receive oxygen and fish use their gills to filter oxygen out of the water.
fish swim for oxygen.
Tadpoles get oxygen from water like fish do.
Mammal take in oxygen in the air while fish take in oxygen in the water.
The fishes gills are like filters. when water goes in a fish's mouth, it goes through the gills, which filter out the oxygen.
Floran fish need oxygen other wise it will death . so always need oxygen
Of course all fish need oxygen even puffer fish....
A fish AERATOR is a device used to add oxygen into a fish tank so that the fish do not suffocate as they consume the increasingly depleted oxygen supply
Sharks are a fish. Fish have gills that extract oxygen directly from the water in which they live.
no, Fish like all animals breathe in Oxygen and out Carbon Dioxide.
All fish, whether baby or older, need oxygen.
Gills carry oxygen fish need directly from the water
All fish need oxygen....