Filled with live plants, substrates, and glimmering schools of fish, a perfectly curated aquarium is an awe-inspiring art form. But the best aquarium pets that aren’t fish prove that our finned ...

If you’re thinking of setting up an aquarium in your home, you may be wondering what kind of fish you’d like to have in your tank. Freshwater fish are a popular option since it can be easier for ...

A sixth of all the world’s freshwater crab species are now threatened with extinction, according to experts. The scavenging creatures help to keep tropical aquatic ecosystems healthy, recy­cling ...

Juan Mateo Rivera looking for crabs in a stream in Assis, Acre State, Brazil in 2022. In Manizales, perched in the Colombian Andes, researchers are studying how a native species of small fresh-water ...

Pollution and habitat loss are wiping out one of the essential guardians of the world's river systems, it was claimed today. A sixth of all the world's freshwater crab species are now threatened with ...