The biodiversity of Tamil Nadu is not fully documented despite notable efforts. The state supports at least 1,000 species of vertebrates, excluding marine fish. COIMBATORE: The Tamil Nadu Forest ...

The fish that limbed vertebrates evolved from don't have obvious digit equivalents, and the most common types of fish just have a large collection of rays supporting their fins. Despite this ...

Documenting fish noises isn’t exactly easy. The underwater creatures aren’t as loud as birds or whales; they also make noises subtly while swimming in groups, which makes it even harder to identify ...

The sea lamprey looks like it’s from another planet, but this ancient creature has a surprising amount in common with humans ...

The composition of fish populations in streams and rivers across the U.S. have been severely altered as a result of changing water temperatures and introductions of fish.

How did digits evolve? While it is clear that they derive from genetic programs already present in fish, their precise origin remains a matter of debate. An international team led by the University of ...

Ancient armoured fish possessed sophisticated tooth replacement mechanisms more than 380 million years ago, Australian researchers have discovered using advanced imaging technology. The breakthrough ...

A new discovery by our team, published in the Swiss Journal of Palaeontology, shows the start of this process dates back more than 380 million years. The first evidence of teeth in any vertebrate ...

A new study of ancient, extinct fish known as placoderms provides another piece of the evolutionary puzzle about our deep time, aquatic ancestors.

Researchers have finally traced the origin of the spotted ratfish’s bizarre forehead teeth, which are used for mating ...

It's a regrettable reality that there is never enough time to cover all the interesting scientific stories we come across each month. In the past, we've featured year-end roundups of cool science ...