Federal Register/Vol. 63, No. 240/Tuesday, December 15, 1998
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69008 Federal Register / Vol. 63, No. 240 / Tuesday, December 15, 1998 / Rules and Regulations C. Paperwork Reduction Act silt), reduced water quality, tributary streambed, spring flow and/or The Paperwork Reduction Act does impoundment, stream channelization, groundwater seepage. The predominant not apply because the final rule does not and stream dewatering. The species also substrate (surface) types within these impose any information collection is impacted by introduced predaceous streams are clean gravel, cobble and requirements that require the approval fishes. This determination implements sand. However, bedrock and clay of the Office of Management and Budget Federal protection provided by the Act hardpan (layer of hard soil) overlain by under 44 U.S.C. 3501, et seq. for Notropis topeka. We further a thin layer of silt are not uncommon determine that designation of critical (Minckley and Cross 1959). Topeka List of Subjects in 48 CFR Part 236 habitat is neither beneficial nor prudent. shiners most often occur in pool and Government procurement. EFFECTIVE DATE: January 14, 1999. run areas of streams, seldom being Michele P. Peterson, ADDRESSES: The complete file for this found in riffles (choppy water). They are pelagic (living in open water) in nature, Executive Editor, Defense Acquisition rule is available for inspection, by Regulations Council. appointment, during normal business occurring in mid-water and surface hours at the U.S. Fish and Wildlife areas, and are primarily considered a Therefore, 48 CFR Part 236 is Service, Kansas Ecological Services schooling fish. Occasionally, amended as follows: Field Office, 315 Houston Street, Suite individuals of this species have been found in larger streams, downstream of PART 236ÐCONSTRUCTION AND E, Manhattan, Kansas 66502. known populations, presumably as ARCHITECT-ENGINEER CONTRACTS FOR FURTHER INFORMATION CONTACT: William H. Gill, Field Supervisor, or waifs (strays) (Cross 1967; Pflieger 1975; 1. The authority citation for 48 CFR Vernon M. Tabor, Fish and Wildlife Tabor in litt. 1992a). Part 236 continues to read as follows: Biologist, at the above address (913/ Data regarding the food habits and Authority: 41 U.S.C. 421 and 48 CFR 539±3474). reproduction of Topeka shiners are Chapter 1. SUPPLEMENTARY INFORMATION: limited and detailed reports have not been published. However, Pflieger 236.601 [Amended] Background (Missouri Department of Conservation, 2. Section 236.601 is amended in The Topeka shiner was first described in litt. 1992) reports the species as a paragraph (1)(ii) by removing by C.H. Gilbert in 1884, using nektonic (swimming independently of ``$300,000'' and adding in its place specimens captured from Shunganunga currents) insectivore (insect eater). In a ``$500,000''. Creek, Shawnee County, Kansas (Gilbert graduate research report, Kerns [FR Doc. 98±33176 Filed 12±14±98; 8:45 am] 1884). The Topeka shiner is a small, (University of Kansas, in litt. 1983) BILLING CODE 5000±04±M stout minnow, not exceeding 75 states that the species is primarily a millimeters (mm) (3 inches (in)) in total diurnal (daytime) feeder on insects, length. The head is short with a small, with chironomids (midges), other dipterans (true flies), and DEPARTMENT OF THE INTERIOR moderately oblique (slanted or sloping) mouth. The eye diameter is equal to or ephemeropterans (mayflies), making up Fish and Wildlife Service slightly longer than the snout. The the bulk of the diet. However, the dorsal (back) fin is large, with the height microcrustaceans cladocera and 50 CFR Part 17 more than one half the predorsal length copapoda (zooplanktons) also contribute of the fish, originating over the leading significantly to the species' diet. The RIN 1018±AE42 edge of the pectoral (chest) fins. Dorsal Topeka shiner is reported to spawn in Endangered and Threatened Wildlife and pelvic fins each contain 8 rays pool habitats, over green sunfish and Plants; Final Rule To List the (boney spines supporting the membrane (Lepomis cyanellus) and orangespotted Topeka Shiner as Endangered of a fin). The anal and pectoral fins sunfish (Lepomis humilis) nests, from contain 7 and 13 rays respectively, and late May through July in Missouri and AGENCY: Fish and Wildlife Service, there are 32 to 37 lateral line scales. Kansas (Pflieger 1975; Kerns in litt. Interior. Dorsally the body is olivaceous (olive- 1983). Males of the species are reported ACTION: Final rule. green), with a distinct dark stripe to establish small territories near these preceding the dorsal fin. A dusky stripe nests. Pflieger (in litt. 1992) states that SUMMARY: The U.S. Fish and Wildlife is exhibited along the entire the Topeka shiner is an obligate Service determines the Topeka shiner longitudinal length of the lateral line. (essential) spawner on silt-free sunfish (Notropis topeka) to be an endangered The scales above this line are darkly nests, while Cross (University of Kansas, species under the authority of the outlined with pigment, appearing cross- pers. comm. 1992) states that it is Endangered Species Act of 1973 (Act), hatched. Below the lateral line the body unlikely that the species is solely as amended (16 U.S.C. 1531 et seq.). The lacks pigment, appearing silvery-white. reproductively dependent on sunfish, Topeka shiner is a small fish presently A distinct chevron-like spot exists at the and suggests that the species also known from small tributary streams in base of the caudal (tail) fin (Cross 1967; utilizes other silt-free substrates as the Kansas and Cottonwood river basins Pflieger 1975; Service 1993). spawning sites. Data concerning exact in Kansas; the Missouri, Grand, Lamine, The Topeka shiner is characteristic of spawning behavior, larval stages, and Chariton, and Des Moines river basins small, low order (headwater), prairie subsequent development is lacking. in Missouri; the North Raccoon and streams with good water quality and Maximum known longevity for the Rock river basins in Iowa; the James, Big cool temperatures. These streams Topeka shiner is 3 years, however, only Sioux and Vermillion river watersheds generally exhibit perennial (year round) a very small percentage of each year in South Dakota; and, the Rock and Big flow, however, some approach class attains the third summer. Young- Sioux river watersheds in Minnesota. intermittency (periodic flow) during of-the-year attain total lengths of 20 mm The Topeka shiner is threatened by summer. At times when surface flow to 40 mm (.78 to 1.6 in), age 1 fish 35 habitat destruction, degradation, ceases, pool levels and cool water mm to 55 mm (1.4 to 2.2 in), and age modification, and fragmentation temperatures are maintained by 2 fish 47 mm to 65 mm (1.8 to 2.5 in) resulting from siltation (the build up of percolation (seepage) through the (Cross and Collins 1975; Pflieger 1975). Federal Register / Vol. 63, No. 240 / Tuesday, December 15, 1998 / Rules and Regulations 69009 Historically, the Topeka shiner was 1997, surveys in Iowa found the species (Nebraska Game and Parks Commission, widespread and abundant throughout at 1 site in the North Raccoon basin, and in litt. 1997). In Nebraska, these were low order tributary streams of the at a new locality in the Little Rock the first collections of Topeka shiners central prairie regions of the United drainage in Oscelola County. Less than since 1940. It is presently considered States. The Topeka shiner's historic 5 individual Topeka shiners were extant (in existence) at these two range includes portions of Iowa, Kansas, identified in 1997. localities (Cunningham, University of Minnesota, Missouri, Nebraska, and In Kansas, 128 sites at or near historic NebraskaÐOmaha, pers. comm. 1996). South Dakota. Stream basins within the collection localities for the Topeka The Topeka shiner began to decline range historically occupied by Topeka shiner were sampled in 1991 and 1992. throughout the central and western shiners include the Des Moines, The species was collected at 22 of 128 portions of the Kansas River basin in the Raccoon, Boone, Missouri, Big Sioux, (17 percent) sites sampled (Tabor, in litt. early 1900's. Cross and Moss (1987) Cedar, Shell Rock, Rock, and Iowa 1992a; Tabor, in litt. 1992b). Extensive report the species present at sites in the basins in Iowa; the Arkansas, Kansas, stream surveys completed from 1995 Smoky Hill and Solomon River Big Blue, Saline, Solomon, Republican, through 1997 identified 10 new watersheds in 1887, but by the next Smoky Hill, Wakarusa, Cottonwood, localities for Topeka shiners and documented fish surveys in 1935, the and Blue basins in Kansas; the Des reconfirmed the species in a historic Topeka shiner was absent. The Topeka Moines, Cedar, and Rock basins in locale where it was previously believed shiner was extirpated (extinct) from the Minnesota; the Missouri, Grand, extirpated (removed) (Mammoliti, in litt. Wakarusa River watershed during the Lamine, Chariton, Des Moines, Loutre, 1996). 1970's (Cross, University of Kansas, Middle, Hundred and Two, and Blue In South Dakota in the early 1990s, pers. comm. 1995). The species basins in Missouri; the Big Blue, the species was captured from one disappeared from the Big Blue River Elkhorn, Missouri, and lower Loup stream in the James River basin and four watershed (Kansas River basin) in basins in Nebraska; and the Big Sioux, streams in the Vermillion River basin. Nebraska after 1940 (Clausen, Nebraska Vermillion, and James basins in South (Braaten, South Dakota State University, Game and Parks Commission, in litt. Dakota. The number of known in litt. 1991; Schumacher, South Dakota 1992). The last record of the Topeka occurrences of Topeka shiner State University, in litt. 1991). In 1997, shiner from the Arkansas River basin, populations has been reduced by stream surveys were conducted in the excluding the Cottonwood River approximately 80 percent, with Big Sioux and James river watersheds. watershed, was in 1891 near Wichita, approximately 50 percent of this decline No Topeka shiners were captured from Kansas (Cross and Moss 1987).