Mudskippers break the rules of fish biology by breathing through their skin, walking on their fins and thriving on land where ...
When you and I take a deep breath, we pull air into our lungs. That’s because humans are mammals. But fish aren’t mammals. They usually don’t breathe air. They usually don’t have lungs. That’s what I ...
Fish can indeed suffocate, despite living in water. Their gills, vital for extracting oxygen, require a constant flow of ...
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