Some crabs will gorge themselves on an aquarium’s small fish. Is there any small freshwater crustacean that doesn’t attack its tankmates? There is: meet the vampire shrimp. Despite the name ...

But in a study published this week (January 8) in Science Advances, researchers showed that a species of coastal fish generates light using both luciferin and luciferase captured from its ...

Native to Indonesian New Guinea, the crustacean comes in two color forms ... crayfish—and it might already be sitting in your aquarium. The researchers detailed their discovery in the journal ...

These peaceful, sociable, and plant-loving crustaceans are best kept with small fish, as larger aquarium additions will consider them food. More formally referred to as Clea Helena, Assassin ...

Small shrimps of the genus Hippolyte have the ability to change color to camouflage themselves in the algae where they live and escape predators. Depending on the algae they are in, they can turn red, ...