This stock image shows two clownfish swimming in clear blue waters. A video of a clownfish leaping out of the water when its owner took the lid off its tank has gone viral on TikTok.

Countless sardines beached themselves on an island in the Philippines around 48 hours before a major earthquake. But experts say a phenomenon known as "upwelling" was to blame instead.

If you keep pet fish, at some point, you may have encountered an escapee lying lifeless outside the water. Fish jumping out of a tank is sometimes a one-off incident, but if it keeps occurring ...