0.4lbs, 5 inch Pumpkinseed Sunfish caught at North Pond, Chicago

Length	5 inches (estimated)
Weight	0.4 lbs. (estimated)
Catch Date	05/11/2006
Kept/Released	Released
Location	North Pond, Chicago
Bait/Lure	Nightcrawlers
Description	In college I used to ride up to the north side of Chicago, hide in the bushes near the Lincoln Park Zoo, and try to catch the Koi in the Koi pond. I never caught one, they wouldn't take the worm even when I put it right in front of them, but I did catch a million of these little guys. Anybody know what kind of fish this is, maybe a perch or sunfish?

Pumpkinseed Sunfish caught at North Pond, Chicago