what do jack fish eat
What do Jack fish eat? The northern pike (known as the pike in Britain, sometimes known as jack / jackfish in Canada), Esox lucius, is a species of carnivorous fish of the genus Esox (the pikes). Th â¦ ey are typical of brackish and freshwaters of the northern hemisphere (i.e. holarctic in distribution). Being carnivorous means that they eat other fishes.