Swim bladder disease is a very common health condition that affects many types of fish. In short, it makes it difficult for the fish to maintain buoyancy because of a compromised swim bladder. They ...

Summer is coming, and soon beaches will be full of the sounds of people having fun: splashing in waves, thwacking kadima balls, thumping sand into castle shapes. If you can find a quieter spot of ...

Scientists in Germany discovered that a fish, smaller than a grape, is able to make noises as loud as a gunshot. Loud clicking noises coming from the fish tank inside a lab at Charité University in ...

Hydrogels, which are soft materials formed by crosslinking polymers, could have a variety of medical applications. In research published in Advanced Science, investigators developed an injectable ...

How can such a tiny fish make such loud noises? Scientists have long asked this question about the male Danionella cerebrum, which measures less than half an inch long, yet produces noises of more ...

A video about a 23-year-old goldfish struggling to swim has gone viral on TikTok, where it had received 5.5 million views at the time of writing. In a clip shared by TikToker Aidan Cramer ...

You walk past your fish tank and suddenly notice one of your fish floating strangely near the surface or maybe even upside down. Your heart skips a beat. Is it dead? But wait its gills are still ...

The foureye butterflyfish, a type of ray-finned fish, is one of the species that was found to make noise underwater. Credit: Aaron Rice One of the most famous films of undersea explorer Jacques ...

One of the world’s smallest fish, measuring just 12 millimetres long, can make a sound registering more than 140 decibels – about as loud as firecrackers being set off. Danionella cerebrum is a tiny ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A small species of ...

Eleanor has an undergraduate degree in zoology from the University of Reading and a master’s in wildlife documentary production from the University of Salford. Eleanor has an undergraduate degree in ...