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Macroinvertebrate Image Gallery for Leeches and Worms


This will always be a work in progress.  Images are of macroinvertebrates from the Susquehanna River and Delaware River watersheds.  If you have taken an image of a macroinvertebrate that you would like to share on these pages from one of these watersheds, please feel free to send it to me. 

Leech with young attached to about one third of the ventral surface proximal to caudal sucker at lower left. 
Three pairs of eyes can be seen near the upper right (The eyes are on the dorsal surface but can be seen through the leech's body).   This is an image of live specimens in an aquarium.   (EE)



Leech - Oral Sucker (EE) Leech Gonopore (EE) Leech Caudal Sucker/Foot (EE)



                                                                                                From: The American Magazine, Volume 22, October 1886


The men collected leeches by standing in leech infested stagnant water and allowing the leeches to attach to their legs.  They would then go onto land to pick them off and pack them into baskets for shipment and sale to the medicinal leech market.  Horses were also used as leech collectors. 



Leech attached to painted turtle  (Ariel Engelman) Leeches attached to snapping turtle (EE)



Aquatic Worm (The backgound is 1/4 inch ruled graph paper.)  (EE)  





Home of Extremely Low Budget Fishing and Fly Tying

 A new book by
Ed Engelman
click here for more information


  Getting the Lead Out! 
Lead from fishing kills loons and other waterfowl.  Go lead free.  This simple change in fishing tackle can have tremendous benefits for loons and other wildlife!  Wire, buttons, and even nails can replace lead in your jigs and flies.  This image taken by Rachelle Engelman shows swans swimming at Hampton Court in England.  The mortality of swans in England and Wales due to lead poisoning was alarming.  The number of swans on the Thames has shown a dramatic recovery since regulations went into effect banning the use of lead sinkers and jigs.
Go lead free!


" Fishermen, hunters, wood choppers, [those who monitor water quality by collecting and identifying macroinvertebrates], and others spending their lives in the fields [, streams, rivers,] and woods, in a peculiar  sense a part of Nature themselves, are often in a more favorable mood for observing her, in the intervals of their pursuits than philosophers or poets even, who approach her with expectation."


from Walden, by Henry David Thoreau          bracketed words added by EE



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