Why these predator fish go for them is a mystery as often they look nothing like the prey fish.

They are an important source of food for many predator fish such as walleye, northern pike, and lake trout.

Little striped fish clean the teeth of great big predator fish.

The reasons for this are not known; perhaps there was increased competition from large predator fish.

The great white is the largest predator fish on the contemporary planet that the laws of physics allow.

He is best known for his love of targeting predator fish, especially pike.

Would it also make it easier for predator fish to catch their prey?

Since 1950, 90 percent of 25 species of big predator fish have gone.

It was a predator fish of about 1.20 m (4 ft) in length.

But until now, it was unclear that predator fish used wakes to find prey.