When oxygen disappears, most fish suffocate. This one ferments its own metabolism and waits months for spring beneath frozen ...

Watching a fish glide through water gives the impression that it moves in a world foreign to ours. But if we need air to live, how do these animals manage to breathe beneath the surface, where our ...

We can be guilty of thinking that oxygen is a uniquely human need. While all land-dwelling animals breathe oxygen from the air, fish need oxygen too. Not only this, but fish can run out of oxygen, ...

Mudskippers break the rules of fish biology by breathing through their skin, walking on their fins and thriving on land where ...

Fish kills on small lakes and ponds can occur during summer if dissolved oxygen levels in the water crash. "It can happen on any body of water or a section of a body of water," said Eric Brinkman, ...

This story was originally published by Yale Environment 360 and is reproduced here as part of the Climate Desk collaboration. Off the coast of southeastern China, one particular fish species is ...