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Silver chub
The silver chub, ''Macrhybopsis storeriana'', is a species of freshwater fish of the family Cyprinidae found in North America.〔Page, L.M., Espinosa-Perez, L.T. Findley, C.R. Gilbert, R.N. Lea, N.E. Mandrak, R.L. Mayden, and J.S. Nelson. 2013. Common and scientific names of the fishes from the United States, Canada, and Mexico, 7th edition. American Fishes Society, Special Publication 34, Bethesda Maryland.〕
==Description==
The maximum size of a silver chub is 231mm (9.09 in) in total length.〔Gilbert, C. R. 1980. Silver chub Hybopsis storeriana (Kirtland). Page 194 in D. S. Lee, C. R. Gilbert, C. H. Hocutt, R. E. Jenkins, D. E. McAllister, and J. R. Stauffer, Jr., editors. Atlas of North American Freshwater Fishes. North Carolina State Museum of Natural History, Raleigh〕 It is pale grey-green dorsally, becoming silvery on its sides and silvery white on its belly. The iris of its eye is white-yellow. A faint dusky lateral stripe is usually present. The caudal fin is lightly pigmented, except the lower 3-4 rays, which are completely unpigemented.〔Becker, G.C. 1983. Fishes of Wisconsin. The University of Wisconsin Press, Madison. 1052 pp.〕 Silver chubs have a body shape that is slender, moderately compressed, and flattened ventrally.〔Boschung, H.T., Jr., and R.L. Mayden. 2004. Fishes of Alabama. Smithsonian Books, Washington. 736 pp.〕 Their mouths are inferior and horizontal.〔Ross, S.T. 2001. Inland fishes of Mississippi. University Press of Mississippi, Jackson. 1-624 pp.〕 They have a maxillary barbel, the premaxilla is protractile, and the upper lip is separated from the skin of the snout by a deep groove that is continuous along the midline. The lateral line is either straight or has a broad arch.〔Hubbs, C., R. J. Edwards, G. P. Garrett. 1991. An annotated checklist to the freshwater fishes of Texas, with keys to the identification of species. The Texas Journal of Science, Supplement, 43(4):1-56.〕 Adult males have large, uniserial tubercles on the dorsal surface of pectoral fins rays 2-10.〔Etnier, D.A., and W.C. Starnes. 1993. The Fishes of Tennessee. The University of Tennessee Press, Knoxville. 681 pp.〕 The head of a silver chub bears minute sensory buds, but not breeding tubercles.〔Cross, F.B. 1967. Handbook of Fishes of Kansas. Univ. Kans. Mus. Nat. Hist. Misc. Publ. 45. 357 pp.〕
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