All fish need oxygen....
Not for long, they couldn't.
Yes.
catfish
Tropical fish.
type doesnt matter... it's quantity that matters.
Like most other fish they suck oxygen rich water through their mouth and force it out of their gills located on their head and the oxygen is absorbed through the gills hope it was a good enough answer.I have a 75-gallon aquarium with six Gourami. these are known as labyrinth fish. This type of fish not only receive oxygen from the water but can also receive oxygen from the atmosphere. This is why you see them rising to the surface receiving a gulp of air.
It is a fish that swims and if you are allergic to any type of fish then just don't eat any type of fish
oxygen
oxygen
oxygen
obligate aerobe
No, seahorses can't. They are a type of fish, and get oxygen using gills.
coral reef
The first multicellular life does not need oxygen. That is the only type of life that does not need any oxygen at all basically. It is because a lot of organisms do not need the respiratory system at all.