Fish:
* Larger fish: Pike, walleye, bass, muskellunge, catfish, trout, salmon
* Other perch species: Larger perch may prey on smaller perch.
Birds:
* Water birds: Osprey, heron, kingfisher, cormorant, eagle
* Other birds: Crows, gulls
Mammals:
* Aquatic mammals: Otters, seals, mink
* Other mammals: Raccoons, muskrats, mink
Reptiles:
* Snakes: Water snakes, garter snakes
Insects:
* Dragonflies: Dragonfly larvae (nymphs) can prey on young perch.
Other:
* Humans: Perch are a popular sportfish and are also commercially fished.
Note: The specific predators of a particular perch species will vary depending on the size of the perch, its habitat, and the geographic location.