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Family: Cyprinidae Matt Wells. http://fish.dnr.cornell.edu/nyfish/Cyprinidae/stoneroller.html. Campostoma anomalum : central stoneroller. Distinguishable traits: laterally compressed brownish olive w/ brassy luster white bottom scattered dark scales subterminal mouth arch in the back
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Family: CyprinidaeMatt Wells http://fish.dnr.cornell.edu/nyfish/Cyprinidae/stoneroller.html
Campostoma anomalum:central stoneroller Distinguishable traits: • laterally compressed • brownish olive w/ brassy luster • white bottom • scattered dark scales • subterminal mouth • arch in the back • adult length 7” http://www.gen.umn.edu/research/fish/fishes/central_stoneroller.html
Campostoma anomalum:central stoneroller Habitat: • small creeks • cool water • clear water • hard bottom runs and riffles • occasional to rare in larger, more turbid streams Distribution: • northeast two-thirds of Iowa • along the entire length of the Mississippi River http://www.iowadnr.com/fish/iafish/cstonero.html
Campostoma anomalum:central stoneroller Diet: • submerged objects • algae • bottom ooze • tiny plants • insect larvae • mollusks http://www.iowadnr.com/fish/iafish/ces-card.html
Campostoma anomalum:central stoneroller Reproduction: Spawn • occurs in April • males excavate nests by moving gravel • nudging with their snouts • hence name “stoneroller” • male anal fins turn bright orange and black & tubercles develop on the upper half of the body • 150-4,800 eggs per female http://www.cnr.vt.edu/efish/families/stoneroller.html
Campostoma anomalum:central stoneroller Conservation status: • occasional to common at most locations • common bait fish Other: • other names -stoneroller, stone lugger, dough belly, racehorse chub, rotgut minnow, steel-backed chub, tallow-mouth minnow
References: Campostoma anomalum Matthew, J. (editor). 1987. Iowa Fish and Fishing. Iowa Department of Natural Resources, Des Moines, Iowa. 323 pp. Accessed on Oct. 12, 2004, http://www.iowadnr.com/fish/iafish/ces-card.html Iowa Department of Natural Resources. 2001. Biodiversity of Iowa: Aquatic Habitats. Accessed on Sept. 15, 2004, http://www.iowadnr.com/education/files/ces-card.pdf Kraft, C.E., D.M. Carlson, and S.C. Brown. 2003. The On-line Fishes of New York State, Version 2.1. Department of Natural Resources, Cornell University, Ithaca, NY. Accessed on Oct. 12, 2004, http://fish.dnr.cornell.edu/nyfish/Cyprinidae/stoneroller.html
Creek Chub Semotilus atromaculatus By: Andy Glass http://www.nativefish.org/Gallery/Semotilus-atromaculatus-3.jpg
Identification • Large black spot at front of dorsal fin base • Very large terminal mouth • Small, flap-like barbel located is located in the groove in the middle of the upper jaw • Wedge-shaped spot at the base of the tail http://www.mnimages.com/Images/59.htm
Characteristics • Body color: olive to purplish changing to silvery-white on the belly • lateral stripe:tip of the snout through the eye to the end of the caudal peduncle • Breeding males: rosy tint on the body and large nuptial tubercles on head and snout. • 6-9 inches, 12 inches by 4 years • 49-64 lateral line scales • 8 Dorsal and Anal fin rays http://www.nanfa.org/NANFAregions/oh/Ohio0802/chub.jpg
Habitat/Diet • Small to Medium size streams • Silt free-gravel bars • Widely distributed • Seldom in lakes, resevoirs, and large rivers • Aquatic and terrestrial insects, insect larvae, crustaceans, mollusks, and small fishes http://www.flyanglersonline.com/travel/summer/ken12.jpg
Distribution www.iowadnr.com/ fish/iafish/cr-chub.html http://www.tmm.utexas.edu/tnhc/fish/na/naindex.html
Reproduction/Misc • Breeding male digs pits for females to lay eggs • Spowning May-June: water temperature about 65 degrees • Provide some angling • Principal bait fish • One of the most dominant fish in Iowa’s streams • Other names - horned dace, blackspot chub, brook chub, northern creek chub, silvery chub, common chub, tommycod, mud chub http://www.thejump.net/id/creekchub.htm
References North American Freshwater Index Images, Maps and Information. 1992. Available at http://www.tmm.utexas.edu/tnhc/fish/na/naindex.html. September 2004 Iowa Department of Natural Resources. 1987. IowaDNR Fish and Fishing. Available at http://www.iowadnr.com/fish/iafish/cr-chub.html. September 2004 L.M. Page and B.M. Burr. 1991. Freshwater Fishes. Houghton Mifflin, New York The NFC’s Native Fish Photo Gallery. Available at http://www.nativefish.org/Gallery/Semotilus-atromaculatus-3.jpg Natural Images. Available at http://www.mnimages.com/Images/59.htm September 2004 North America Freshwater Fishes Index Images, Maps and Immages. 1992. Available at http://www.tmm.utexas.edu/tnhc/fish/na/naindex.html September 2004 TheJump.net. Available at http://www.thejump.net/id/creekchub.htm September 2004 North American Fishes Association. 2003. Four Mile Creek Watershed Fish Study Archive. Available at http://www.nanfa.org/NANFAregions/oh/Ohio0802/chub.jpg September 2004 Fly Anglers Online. 1999. Summer in South Dakota. Available at http://www.flyanglersonline.com/travel/summer/ken12.jpg September 2004
Identification • 1.5 to 2.0 inches long • Olive-yellow back with dark-edged scales • Caudle fin has black wedge at base • Upper jaw doesn’t extend beyond front of eye • 6 to 8 anal rays
Habitat and range • Lives in small prairie streams with cool clean water • Requires clean rock or gravel bottoms • Historically all over the Midwest, now greatly isolated and cut off from rest of population.
Reproduction • Omnivorous • Season 8-10 weeks in mid may • Water temp. 22 degrees C • Share nest with sunfish • 150-800 eggs per clutch
Conservation and Importance • Endangered nation wide and threatened in Iowa • Can be an important indicator of water quality • Numbers to low to be considered ecologically important
Citations • Iowa department of natural resources. Iowa fish and fishing, available at: http://www.iowadnr.com/fish/iafish/topeshin.html • Fishes of Minnesota, available at: http://www.nativefish.org/Articles/topeka_shiner.htm • Endangered species guide sheet, available at: http://www.conservation.state.mo.us/nathis/endangered/endanger/topekas/ • Us Fish and Wildlife Service. Mountain-Prairie region endangered species program, available at: http://mountain-prairie.fws.gov/species/fish/shiner/index.htm
Black Buffalo (Ictiobus niger)Kate Walker • Identification: • Large conical head • Nearly terminal, slightly oblique mouth • Wide body • Adults w/ rounded, keeled nape • Thicker lips than cousin • Slate colored • Usually 37-39 lateral scales www.tmm.utexas.edu/.../ iniger__/iniger_1.jpg
Ictiobus niger • Distribution: lower Great Lakes to Mississippi River Basin • Eastern Iowa/Mississippi • Habitat: • prefer strong currents • pools & backwaters of small to large rivers • impoundments • lakes www.rra.dst.tx.us/.../ county/dmaps2/ic_niger.gif
Ictiobus niger • Diet: • mainly mollusks and insects; • also crayfish, duckweed, diatoms and blue-green algae • Reproduction: • spawning in shallow waters during spring; • initiated by female; • eggs covered in thick membrane http://www.visi.com/~dunwitch/id_bkbuf.html
Ictiobus niger • Conservation status: rare • Economical/Recreational Importance: exceptional game sport • Other: • Ictiobus=bull fish; niger=dark • world record 63lbs. 6oz. from Mississippi River, IA • been found in areas with smallmouth buffalo http://www.visi.com/~dunwitch/id_bkbuf.html
References • Black Buffalo Identification Sheet. 2003. Available at http://www.visi.com/~dunwitch/id_bkbuf.html. October 12, 2004 • Page, L.M. and B.M. Burr. 1991. Freshwater Fishes. Houghton Mifflin Company, Boston. • Texas Parks and Wildlife. August 13, 2003. Black Buffalo. Available at http://www.tpwd.state.tx.us/fish/infish/species/sucker/bbf.html October 11, 2004 • Tulane University. Spawning in the Black Buffalo. Available at http://www.museum.tulane.edu/ictiobin/Black_buffalo_spawning.pdf October 13, 2004 • Wisconsin Department of Natural Resources. July 2003. Black Buffalo. Available at http://www.dnr.state.wi.us/org/land/er/factsheet/fish/Blkbuf.htm October 11, 2004
http://www.gen.umn.edu/research/fish/fishes/black_buffalo.htmlhttp://www.gen.umn.edu/research/fish/fishes/black_buffalo.html