ORIGINAL PINNER SAID: Trigger fish. This is Sad to say but, a few yrs. Back @ Harrys Seafood Restaurant they had Trigger Fish on the Menu & I ordered it.One of the Most Delicious Fish I have Ever ate.Now, we have Saltwater Tanks-No Fishing Allowed:-)
A bait ball, or baitball, occurs when small fish swarm in a tightly packed spherical formation about a common centre. It is a last-ditch defensive measure adopted by small schooling fish when they are threatened by predators.