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Organization for
the Assabet River
9 Damonmill Sq., Suite 1E
Concord, MA 01742
Tel. (978-369-3956)
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Common Name
 American eel
 Banded sunfish
 Black crappie
 Blacknose dace
 Bluegill
 Brook trout
 Brown bullhead
 Brown trout
 Chain pickerel
 Common carp
 Creek chubsucker
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Longnose dace
 Pumpkinseed
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Smallmouth bass
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 Yellow perch
 Alewife
 American Shad

 Fish 

[Descriptions | Habitat | Surveys |Safe to Eat? | Natural Community | Fish Stocking | Fishing in the Assabet Watershed | Back to Main]

Green sunfish
Lepomis cyanellus


Green Sunfish

Photo credit: William Pflieger

Life history and habitat requirements: The green sunfish (5.9-12.2 inches) is an introduced species that prefers streams. It can tolerate greater turbidity than many other sunfishes. They feed primarily on insects but they will also eat crustaceans, fish eggs, very small fish and algae. Green sunfish spawn in the spring and summer. The green sunfish construct nests like the other sunfishes (i.e. the pumpkinseed, redbreast sunfish and bluegill), but the nests are isolated or occur in smaller groups, and are usually located in pools or along stream banks.

Total length: 4 - 6 inches
Pollution tolerance (US EPA):
Tolerant
Classification: Macrohabitat generalist

Number of fish found during 1954 & 2001 fish surveys:*

Location No. of Fish 1954 No. of Fish 2001
North Brook 7  
Total 7 0

*Sources:
Schlotterbeck, L.C. and W.A. Tompkins, 1954.
"A Fisheries Investigation of the Merrimack and Ipswich River Drainages." Bureau of Wildlife Research and Management, Massachusetts Division of Fisheries and Game.

DFW, 2001. Assabet Watershed Fish Survey. MA Department of Fisheries and Wildlife, Westborough, MA.

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