White Perch (Morone americana)
ALERT! It is illegal to possess live white perch (KAR 115-18-10)
Where did white perch come from?
- White perch are native to the Atlantic coast region of North America.
- It is uncertain how white perch were introduced into Kansas.
Where have white perch been found in Kansas?
- Click here to view the list of Kansas waters with white perch and other aquatic nuisance species.
What do white perch look like?
- Variable coloring-generally silvery green on sides.
- No lines or stripes.
- Usually less than 10 inches long.
- White perch closely resemble the native white bass.
Differences between white perch and white bass:
- Spiny and soft dorsal fin connected. Both fins will pop-up when the spiny dorsal is erected.
- 3 hard anal fin spines-1 short, 2 long.
- Spiny and soft dorsal fin not connected.
- 3 hard anal fin spines-1 short, 1 medium, 1 long.
Why are white perch a problem?
- White perch have been associated with declines in both walleye and white bass populations.
- White perch feed heavily on baitfish utilized by other species.
- Out-compete native fishes for food and space.
- Hybridize with white bass.
How do white perch spread?
- White perch are easily spread by illegal release.
- It is illegal to release fish taken from one body of water into another.
How do we control white perch?
- Angler harvest can be an effective way to control white perch. If you catch a white perch, do not release them back into the water. Eat or dispose of them properly.
- Do not transport or release white perch from one body of water into another.
What do I do if I find white perch?
- If you find white perch, do not release the fish back into the water. If you catch a white perch at a location other than where they have been previously captured (list above), freeze it in a sealed plastic bag, note the date and location, and call the Emporia Research Office at (620) 342-0658 or email the Aquatic Nuisance Species Coordinator.
White Perch Links: