Leeches swimming underwater in a tank, attaching to the glass. Freshwater leeches (family Hirudinidae) are parasites that have two suckers, one at each end of the body and used to attach to the skin of a victim while drinking their blood. CLOUDS HILL IMAGING LTD/SCIENCE PHOTO LIBRARY
52 Sea Leech Stock Video Footage - 4K and HD Video Clips
321 Leech Sucker Stock Video Footage - 4K and HD Video Clips
52 Sea Leech Stock Video Footage - 4K and HD Video Clips
Leech. Fish leech Piscicola under the mi, Stock Video
Close Up Leech On Lens Under Water Stock Video - Download Video Clip Now - Parasitic, Sea, Bloodsucking - iStock
596 Synchronized Swimmers Stock Video Footage - 4K and HD Video Clips
1,312 Leech Stock Video Footage - 4K and HD Video Clips
freshwater leech - Keyword Search - Science Photo Library
596 Synchronized Swimmers Stock Video Footage - 4K and HD Video Clips
1,312 Leech Stock Video Footage - 4K and HD Video Clips
File:Leech Underwater.jpg - Wikimedia Commons