If a giant hand were to suddenly appear in front of you with some sort of object, how would you react? This is the reality ...

Learn how cleaner wrasse used a mirror and even dropped food to test their reflections, a behavior linked mostly to mammals.

A new study has uncovered a tiny fish species’s ability to produce a huge sound. Danionella cerebrum is 10 to 12 millimeters, or about 0.4 to about 0.5 inches, long and lives in shallow, murky waters ...

It’s the little fish that roared. One of the world’s smallest fish, measuring about half an inch long, can produce sounds as loud as fireworks or a jet engine, a new study says. Danionella cerebrum, a ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Native to Southeast Asia, a tiny freshwater fish packs a ...

Holly has a degree in Medical Biochemistry from the University of Leicester. Her scientific interests include genomics, personalized medicine, and bioethics.View full profile Holly has a degree in ...

A new study shows that Danionella cerebrums are able to generate noise levels of over 140 decibels. Image from a news release from the Senckenberg Natural History Museum. A new study has uncovered a ...