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<br />Distribution (Historic and Current): <br />As shown in Figure l, pallid sturgeon are primarily known from the Mississippi River <br />from Louisiana upstream to Keokuk, Iowa (Coker 1930) and in the Missouri River from its <br />confluence with the Mississippi upstream to near Great Falls, Montana (Brown 1971). The <br />earliest record recognized by Bailey and Cross (1954) was referred to by Cope (1879) as a <br />shovelnose sturgeon. For most of the time since the pallid sturgeon was described fishermen and <br />fisheries biologists did not distinguish between shovelnose and pallid sturgeon in their catch <br />(Keenlyne 1989). However, today, historic references to very large individuals (>Skg) of <br />Scaphirhynchus spp. are now generally considered to be pallid sturgeon (Bailey and Cross 1954). <br />Individuals reported prior to 1994 are all assumed to be wild fish because stocking of <br />pallid sturgeon began in 1994 by the State of Missouri. Most hatchery-reared pallid sturgeon <br />were tagged before release, but tag loss is a concern (Krentz et al. 2004). <br />Fort Peck Dam <br />??