Main content
Bait ball attack
Swimming at speed, a school of anchoveta near the surface detect the vibrations of approaching predators. They close into a tight ball as a form of defence but will it be enough to ward off the approaching predators?
Duration:
This clip is from
Featured in...
![]()
BBC Nature
Be captivated, informed and inspired by the world's wildlife.
More clips from Open Ocean
![]()
Striped sea hunters
Duration: 02:06
![]()
Warm blooded
Duration: 00:31
![]()
Let's twist again
Duration: 02:07
![]()
Team tactics pay off
Duration: 04:32
More clips from The Blue Planet
![]()
A Cruel Lesson—Coasts
Duration: 05:03
![]()
Small beginnings—Seasonal Seas
Duration: 01:07
![]()
Deep seabed—The Deep
Duration: 02:11
![]()
Dumbo octopus—The Deep
Duration: 00:50
