leech

leech sm

 

Leech

How to make the ID: worm-like; flat with a sucker at each end

Its Color: green, black, brown, gray, yellow and red

How it reproduces: both male and female organs for reproduction, similar to aquatic worms.

Metamorphosis: None

It is food for: not an important food for fish

Its food: some feed on blood, other eat decaying plant and animal debris

Indicator: large numbers indicate poor water quality and are found in water with a pH greater than 7.0, especially in running water

Size:

 

 

Pictures and information from EPA Biological Indicators of Watershed Health are used with permission from Mr. Wayne Davis.