Smallmouth Bass ( Micropterus dolomieu). a.k.a. Smallmouth; Smallie; bronzeback; brown bass; redeye; mountain trout.
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a.k.a. Smallmouth; Smallie; bronzeback; brown bass; redeye; mountain trout
Distribution: Occurs throughout most of Iowa. Absent from SW 1/3 of the state, and most abundant NE portion of the state.
Smallmouth bass – mouth doesn’t extend past eye; tooth patch on tongue; no mid-lateral stripe; has vertical bars on side; YOY have tri-colored tail.
Largemouth bass – mouth extends well past the eye; no tooth patch on tongue; broad black mid-lateral stripe; no vertical bars on side; found state-wide.
Spotted Bass – mouth doesn’t extend past eye; has tooth patch on tongue; black mid-lateral stripe; no vertical bars on side; YOY have tri-colored tail; in IA it is only found in Lake Macbride.
Diet: Young of year (YOY) start on microcrustaceans, as growth proceeds diet mainly consists of aquatic insects, and finally graduates to macroinvertabrates and fishes. Insectivorous as larvae, and mainly piscivorous as adults.
Conservation Status: Common in IA. Gamefish status. Length and bag limits exist in IA to conserve sport fishery.
Ecological Importance: Important predator; quite often the top carnivore in many of Iowa’s small interior streams.
Becker, G.C. 1983. Fishes of Wisconsin. University of Wisconsin Press. Madison, Wisconsin. p801-808.
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Google Images. Available at http://www.google.com/imghp?hl=en&tab=wi&q= Oct. 2004.
Harlan, J.R., E.B. Speaker, and J. Mayhew. 1987. Iowa Fish and Fishing. Iowa Department of Natural Resources. Des Moines, Iowa. P146-147.
Iowa Department of Natural Resources. Iowa DNR Fish and Fishing. available at http://www.iowadnr.com/fish/index.html Oct. 2004.
McClane, A.J. 1978. McClane’s Field Guide to Freshwater Fishes of North America. Holt, Rinehart, and Winston, New York. P136-149.
Page, L.M. and B.M. Burr. 1991. Petersen Field Guides, Freshwater Fishes. Houghton Mifflin, Boston.
Natural History of Fishes
Iowa Department of Natural Resources. 2004. http://www.iowadnr.com/fish/iafish/bc-card.html
Ohio Department of Natural Resources. 2004. http://www.dnr.state.oh.us/Wildlife/Fishing
Page, L.M., and B.M. Burr. 1991. pp. 259. Freshwater Fishes of North America North of Mexico. Houghton Mifflin Company, Boston.
White Crappie (Pomoxis annularis) Black Crappie (Pomoxis nigromaculatus)
-Warmouth have a thick, oblong body.
Large mouth with the upper jaw extending to or beyond the middle of the eye.
dark olive-brown color, mottled with dark brown blotches over the body.
dark colored stripes extending from the eye to the opercle
Warmouth have only three anal fin spines (rock bass have six).
The Virtual Aquarium
Other names - sunperch, blue sunfish, copperbelly, copperhead, bream, coppernose bream, redbreasted sunfish, yellowbelly, bluemouth sunfish, baldface, plumb granny, pumpkinseed, pond perch, roach
Illinois Department of Natural Resources. Illinois Fishes. Available at: http://dnr.state.il.us/lands/education/kids/KIDSCONS/Fall1999/ILfish.htm. November 2004.
Iowa Department of Natural Resources. IowaDNR Fish and Fishing: Bluegill. Available at: http://www.iowadnr.com/fish/iafish/blg-card.html. November 2004.
LandBigFish.com. 2004. Bluegill. Available at: http://www.landbigfish.com/fish/fish.cfm?ID=14. November 2004.
Mayhew, J. 1987. Iowa Fish and Fishing. Iowa Department of Natural Resources, Des Moines Iowa. Available at: http://www.iowadnr.com/fish/iafish/bluegill.html. November 2004.
Page, L.M. and B.M. Burr. 1991. Freshwater Fishes of North America North of Mexico. Houghton Mifflin Co., Boston.
body green-shaded with a broad, continuous dark stripe along each side; belly white to yellowish; dorsal fin almost completely separated between spiny and soft portion and lower jaw extends past the gold-colored eye; commonly 12-16 inches; state record 10lb. 12oz.
statewide; nearly Global
lakes, ponds, quiet rivers; usually found around structure
insects, fish, crayfish, frogs; occasionally ducks, snakes, mice
the male creates a nest; female lays 2,000-43,000 eggs; male protects nest and young for several days after hatching
one of the most popular game fish in Iowa and the US; generates millions through tackle sales, fishing trips, tournaments
top piscivore in most Iowa ponds and lakes
Ohio History Central
Eddy, S. and J.C. Underhill. 1978. How to Know the Freshwater Fishes. 3rd Edition. McGraw-Hill, Boston. 215 pp.
Iowa Department of Natural Resources. Fishes of Iowa. Available at http://www.iowadnr.com/fish/iafish/lmb- card.html. November 2004.
Page, L.M. and B.M. Burr. 1991. Freshwater Fishes of North America North of Mexico. Houghton Mifflin Company, Boston. 432 pp.
Pflieger, W. L. 1997. The Fishes of Missouri, Revised Edition. Missouri Department of Conservation, Jefferson City Missouri.
Texas Parks and Wildlife. Texas Freshwater Fishing. Available at http://www.tpwd.state.tx.us/fish/infish/ species/lmb/lmb.htm
Ohio History Central. Fish. Largemouth Bass. Available at
By Kelly Andersen
Identification: Large mouth, body laterally compressed, short, rounded pectoral fins, yellow to white margin on the ear flap, 10 spines in dorsal fin.
Color: Blue-green back and sides, white to yellow belly, black spot on posterior base of dorsal and anal fin, yellow-orange margins on dorsal, caudal, and anal fin, emerald and yellow streaks on head.
(Green Sunfish) Virginia Fish and Wildlife (Bluegill)
Distribution: Native to the Central and Eastern U.S., but have been introduced over much of the U.S.
Most wide-ranging sunfish in Iowa
Habitat: Quiet and backwaters of streams, lakes and ponds.
Diet: YOY- zooplankton, aquatic insects Adults - young fish or minnows, insects, crayfish
Reproduction: Sexually mature at about 2 years, males build nest when water reaches 70 degrees F, usually in June. Nest in colonies near shore, prefer sand or gravel bottom, if limited space nests will be very close together, females lay 2,000-10,000 eggs per year, males stay with the nest until fry are free swimming (usually 6-7 days)
Conservation: N/A considered common to abundant in their habitat.
Economic/recreational: sport fish, easily caught on many types of baits, rarely exceed 6-7 in. State Record: 2 lbs 1oz. from a farm pond.
Ecological important: important food source for other larger sport fish.
Other Common Names: Shade perch, black perch, slicks, ricefield slick, mud bass, rubber-tail, bluespotted sunfish, pond perch, green perch, sand bass, sunfish
Eddy, S. and J.C. Underhill. 1978 How to Know the Freshwater Fishes. 3rd Edition. McGraw-Hill, Boston.
Page, L. M. and B. M. Burr. 1991. Freshwater Fishes of North America North of Mexico. Houghton Mifflin Company, Boston.
Iowa Department of Natural Resources.1994.IowaDNR Fish and Fishing. Available at http://www.iowadnr.com/fish/iafish/sunfish.html October 2004
By Emily Mae Hoffman
University of Wisconsin
Illinois Department of Natural Resources. 2003. Illinois Fishes Families/Species. Available at http://dnr.state.il.us/lands/education/fish/sunfish.htm.
Iowa Department of Natural Resources. 1987. IowaDNR Fish and Fishing. Available at http://www.iowadnr.net/fish/iafish/pumpkins.html.
Ohio Department of Natural Resources. 2004. Division of Wildlife. Available at http://www.dnr.state.oh.us/wildlife/Fishing/aquanotes-fishid/pumpkin.htm.
University of Wisconsin Sea Grant Institute. 2002. Available at http://www.seagrant.wisc.edu/greatlakesfish/fpumpkinseed.html.