The polypterids (bichirs and ropefish) are extant basal actinopterygian (ray-finned) fishes that breathe air and share similarities with extant lobe-finned sarcopterygians (lungfishes and tetrapods) ...

John Long receives funding from The Australian Research Council for his research on early vertebrate evolution. A century-old mystery about how ancient freshwater fishes breathe has finally been put ...

Invertebrates are a wildly diverse lot — far more diverse than the relatively small group known as vertebrates. Accordingly, the inverts have a huge diversity of life styles and body plans. Consider ...

The 100-year-old mystery surrounding how four-legged animals developed the ability to breathe air has finally been solved. Scientists claim the ability was passed down by ancient Gogonasus - a group ...

No because they don't use lungs to breathe. Like most insects, they take in oxygen through openings in their abdomens called 'spiracles' which allows sufficient oxygen to maintain their activity.

What might be mistaken for a waterslide in this image is actually the breathing tube, or trachea, of a dragonfly. This tube connects to openings in the insect's exoskeleton (outer “shell”) called ...

Cockroaches are infamous for their tenacity, and are often cited as the most likely survivors of a nuclear war. Some even claim that they can live without their heads. It turns out that these armchair ...

Honestly, I’m not sure what to say except that YouTuber Precarious333’s video of a Giant Texas Katydid (Neobarrettia spinosa) chirping, breathing, and grooming is way more captivating than I expected ...

You may think that since sharks have noses, they use them for breathing. However, unlike mammals, they use them only to smell, not to breathe. Sharks are fish, so they do not have lungs, either. So ...