Most species of leeches found in ponds feed on the sludge at the bottom of your pond and are not blood-sucking parasites. Leeches get into your pond from a.
Parasitologists typically rely on the arrangement of pores on the bottom of leeches' bodies to help distinguish species. With a close inspection.
Researchers with the Smithsonian found a new species of a leech in usually look at the way pores are arranged on the bottom of a leech.
There are over 500 species of leeches throughout the world. water and are mainly surface dwellers; they move overtop the river bottom rather than through it.