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Hey, you're the one with the food, right? Researcher Maëlan Tomasek, seen here being scoped out by a sea bream, was part of a team who demonstrated that fish can distinguish between male and ...

WATCH: Sharks biting alligators, the most epic lion battles, and MUCH more. Enter your email in the box below to get the most mind-blowing animal stories and videos delivered directly to your inbox ...

An axolotl swims around in an aquarium at a museum in Xochimilco Ecological Park, in Mexico City, Tuesday, Feb. 11, 2025. (AP Photo/Marco Ugarte) ...

Editor’s note: A version of this story appeared in CNN’s Wonder Theory science newsletter. To get it in your inbox, sign up for free here. Recent research suggested this dense center reversed ...

Their skin is usually dark to mimic stones — though an albino, pinkish variety can be bred — and they can stay still for hours, buried in the muddy ground of their natural habitats or barely ...