Alligators. Big ones
In Europe they have only 3 significant predators - man, herons and otters.
Caimans, turtles, otters, herons, human beings.
babies: raccoons, otters, herons, snakes, snapping turtles, other alligators............ Humans
Herons, alligators, otters, humans. As adults, these predatory fish have few enemies.
Well I have studied herons for my science asssignment and have found on various websites that herons have many enemies also known as predators, which include the fox, bald eagle, racoons and sometimes when they are hungry humans.
Humans kill the adults, and many predators take the young, like foxes, raccoons, herons,and large fish.
The Canterbury Mudfish prefers lots of cover (aquatic plants) to hide from all their different predators in, and also, to lay all their eggs in. Generally, they have lots of species feeding on them, but their main predators are; Trout, Eels, Herons, and Bitterns. For more details, please see sites listed below.
The main threat to the Canterbury mudfish is abiotic - loss of habitat through human activity, but biotic effects are:introduced predators such as trout;natural predators such as eels, herons and shags.
The main predators apart from man are the fish eating water birds like Kingfishers, Herons and Egrets.
Herons are birds.
Southern Leopard frogs are known to be preyed upon by various predators, including birds such as herons and hawks, snakes, raccoons, and small mammals like weasels. Additionally, aquatic predators like fish and larger frogs may also prey on Southern Leopard frogs.
A largemouth bass is a carnivore. It eats birds, frogs, fish, and rats.