A new fish species has emerged, but it does not hail from the realm of Mordor as its name suggests. The relationship between pacus and piranhas has been closely studied by researchers and while the ...

Before you think about canceling your hard-earned summer vacation, experts say you can take a deep breath and keep your ...

Poison fish with human-like teeth cause havoc for Greek islands as tourist season begins - The fish are believed to have ...

Can we examine the teeth of living fish and other vertebrates in detail, repeatedly over time, without harming them? Previously, small animals often had to be euthanized to obtain precise information, ...

View post: 40 Years Ago, This Weird, Genre-Bending Song Was No. 1 A new study, published on May 21 in the journal Nature, has revealed surprising information about the origins of human teeth. Our ...

If you're vacationing to a country in the Mediterranean this summer, officials are warning of a dangerous invasive species ...

It's not what you do, it's how readily you do it. Rapid evolutionary change might have more to do with how easily a key innovation can be gained or lost rather than with the innovation itself, ...

Scientists found a “shiny,” “silvery” creature with “hooked” teeth in a river of China and discovered a new species, a study said. Photo from Lei, Gong and Li (2025) In a river of southeastern China, ...

These days, all fish have teeth. The shapes of their teeth vary according to diet, ranging from the little pegs of goldfish to the formidable, pointed teeth of sharks. But fish evolved from toothless ...

drawing of green, scaly fish against blue background© Apokryltaros/CC-BY-SA These days, all fish have teeth. The shapes of their teeth vary according to diet, ranging from the little pegs of goldfish ...

The cichlid fish of Africa's Great Lakes have formed new species more rapidly than any other group of vertebrates. A new study shows that the ease with which these fish can develop a biological ...