What is the long green hair on the carapace of snapping turtle?

The following measures can be taken to prevent and control the long green hair on the carapace of snapping turtles:

1, change the water regularly to keep the water quality good, and excessive impurities in the water are easy to grow green hairs;

2. Clean the turtle shell regularly, and it is advisable to use a soft-haired toothbrush for children to prevent the turtle back from being injured;

3, avoid long-term illumination, too much illumination is one of the important reasons for long green hair.