leeches on green leaves.animals,fauna,macro photography

animals annelida annelids blood blood-sucking body canals cavity clitellum coelom devices distinguished earthworms elongated family fauna flat green group grouped heads hermaphrodites hirudinea hosts large leaves leech leeches live macro mismatch muscular oligocheata outer parasites predators relatives rest rings segmented segments shortened small soft solid species subclass suck suckers tails taxonomically three-quarters turned two worm