A great white shark named Contender was tagged in early 2025, and it's already breaking records. Here's why this tagging is ...

when a fisherman hauled in a blue shark measuring a massive 271cm. Here they feed on other fish, such as mackerel, herring, squid and some bottom living species and scavenge on other creatures.

Shadowing behavior displayed by blue runner fish hiding below a sandbar shark before attacking prey. Lampione island, Central Mediterranean sea, 11 July 2022. Credit: Rocco Canella. Scientists ...