"There are over 2000 species of fish in the Siluridae family on the planet, many with unique defense mechanisms. They have impenetrable body armor plates, can walk on land, breathe air like humans, savagely electrocute, and impale their prey with lethal venomous barbs. In this exciting horror novel, Vernon Murdock, a young idealistic marine biologist, makes an incredible breakthrough with high hopes of ending world famine for the rest of eternity when he breeds a hybrid species guaranteed to put substantially more food on the dinner table. The only problem is that exhaustion and his obsession to engineer the perfect fish has impeded Vernon's judgment causing him to let his experiment get away from him—as now his interbred leviathan monsters have escaped—and they have no intention of being bottom of the food chain..." – quoted from this book's product page on Amazon.com as of 2017-05-17.
Source · ISFDB CC BY 4.0