Among the other applications of the same genetic technology, one has been on the market for several years: a beautiful ornamental aquarium fish called the Glofish, a zebrafish genetically altered to make it fluorescent.
If predators are able to operate only in the same number of dimensions as their prey as is the case for lions and zebra, or barracuda and schooling fish then individuals at the centre of a group really should be safer than those at the edges.