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Back in May we told you about the sad fate of the Mangarahara cichlid. Native to the African island of Madagascar, this little fish had had its wild habitat destroyed by dams built to control the ...

It is popularly believed that fish have a memory span of only 30 seconds. Canadian scientists, however, have demonstrated that this is far from true -- in fact, fish can remember context and ...

Cichlids are one of the largest and strangest groups of vertebrate fish — fish with backbones — on Earth. They’re popular as pets and farmed in aquaculture, and scientists have been studying them ...

Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has ...

People who joke about having the memory of a goldfish may have to think again, after scientists have found fish can remember events for up to a fortnight. Canadian researchers trained fish to locate ...

For those of you who are teased about your forgetfulness, good news! It turns out having the “memory of a fish” may actually be a compliment. Fish may have a reputation for having three-second ...

It’s not 3 seconds ... they can remember for at least 12 days Dubai: Goldfish memory may only be myth, according to new research. The famously minuscule memory span of fish is in doubt after ...

What looks like an ordinary creek is actually packed with aquarium species gone wild. Bright cichlids flash through the current, turning this natural stream into a living fish tank. The sight is ...