When hiding behind a shark, prey only noticed a blue runner’s approach around 10 per cent of the time. In contrast, when the fish hunted in packs their prey spotted them almost every time – more than ...

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 ...

The team says that the fish, which usually hunt in small groups, are more likely to catch their prey off guard by shadowing sharks.

When hiding behind a shark, prey only noticed a blue runner's approach around 10% of the time. In contrast, when the fish hunted in packs, their prey spotted them almost every time—more than 95% ...