Halakhah к Хавакук 1:13

The prophet Habakkuk asks plaintively, "Why … art Thou silent when the wicked swallows up the man more righteous than he? For Thou makest men as the fish of the sea" (Habakkuk 1:13–14). Among the myriad species of the animal kingdom there is virtually none which preys upon its own kind. Carnivorous animals will devour other animals but not members of the same species. Preying upon members of the creature's own species is a phenomenon which is found only among the fish of the sea. Even a fish will swallow only a fellow creature smaller than itself. Man is unique among land animals in his propensity for attacking and destroying his fellow man. Man outdoes the fish in destroying not only others smaller and weaker than himself, but also in attempting to swallow up others equal to and better than himself.