But although turtles do not harm fish populations, they are often a nuisance to fishermen and sometimes need to be controlled. … A few turtles in a pond are beneficial because they act as scavengers and keep dead fish and other animals out of the pond.
Should you remove snapping turtles from pond?
Trapping can be done to remove snappers, but should always be conducted by a trained professional with the proper authority and knowledge to do so. Handling snapping turtles should be avoided. They may not be hurting your pond but they may end up hurting you!
Are Snapping turtles harmful to ponds?
While these turtles can be aggressive on land when approached by people, they usually choose to swim away from people when encountered in the water. Therefore, they are not considered to be a threat to swimmers in ponds and lakes.