Ghost shiner

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Ghost shiner
Notropis buchanani.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Cypriniformes
Family: Cyprinidae
Subfamily: Leuciscinae
Clade: Pogonichthyinae
Genus: Notropis
Species:
N. buchanani
Binomial name
Notropis buchanani
Meek, 1896
Synonyms
  • Notropis volucellus buchananiMeek, 1896

The ghost shiner (Notropis buchanani) is a North American species of freshwater fish of the family Cyprinidae. It is generally characterized as being a small bodied, silvery and fusiform shaped cyprinid. [2] Notropis buchanani is morphologically similar to and often mistaken for the Mimic Shiner (Notropis volucellus), which is evident by its former classification as a subspecies of Notropis volucellus. [3]

Contents

Geographic distribution

The current range for Notropis buchanani extends from the Mississippi River basin in the southern United States to Ontario in southern Canada. Populations have been reported in eastern Kansas, southeastern Nebraska, western Oklahoma and south to northern Alabama, Mississippi, and Louisiana. Populations of N. buchanani are also present in Gulf slope drainages in Texas, [4] Louisiana, and Mexico. In 1993, populations were found in southern Ontario. [2] The trend in the United States is that the farther north the state is from the Gulf Coast, the less secure populations of N. buchanani become. In Ontario, the population is apparently stable.

The first population of Notropis buchanani in Ontario was discovered in the Thames River watershed in 1979. [5] After the discovery, the Canadian Museum of Nature was checked for similar species of Notropis, and a specimen of Notropis buchanani was found to have previously been collected from Mollys Creek in 1972. [6] The population in southern Ontario has been thought to have been introduced in the 1970s; however, recent studies suggest that it is native to Canada due to natural migration after deglaciation.

Ecology

The diet of Notropis buchanani has not been studied yet, but the diet of adults probably consists of insects, phytoplankton, and benthic crustaceans. [7] Notropis buchanani are benthopelagic freshwater fish [8] that generally inhabit areas with slow currents in lower magnitude streams of orders one to four. [9] In the higher order streams, N. buchanani are characteristic of low-gradient sections of creeks and rivers with moderate flow and moderately clear to turbid waters. [10] They also inhabit larger pools and protected backwaters without noticeable current in stream orders from one to four. [10] Streams with submerged vegetation create suitable habitat for N. buchanani species, as many species have been found in submerged vegetation in the Ohio River valley. [3] Impoundments such as dams have a negative impact on the species' abundance because they limit their range. Dams that are less than 12 feet high do not have to be reported as dams, and these pose a significant risk to populations of Notropis buchanani because they are unregulated.

Life history

Populations of Notropis buchanani usually breed in the second year of life during the period from May until late August depending on the location of the populations. In Tennessee, N. buchanani were reported to be in a reproductive state in late May, [11] while in Kansas breeding individuals were found in mid-August. The majority of the populations breed during their second summer, and relatively few breed during the third because their lifespan is three years. Notropis buchanani spawn in rivers with sluggish sand or gravel riffles. In Tennessee, the spawning occurs in slow moving, silt covered gravel areas in the Stones River below the Walter Hill Dam or in the silty sand substrate of the Mississippi River in northwest part of the state. [12] During the breeding season, males develop nuptial tubercles, particularly on the snout, internasal region, orbit, and underside of the lower jaw. The anterior pectoral rays are slightly thickened, and small blunt tubercles are densely packed along the dorsal surface of rays 2-6. [13] For Notropis buchanani, the year of the young in October are on average 0.8 to 1.5 in (20 to 38 mm) long. At one year, they are an average of 1.1 to 2.3 in (28 to 58 mm) long, and as adults individuals grow to an average of 1.3 to 2.3 in (33 to 58 mm). [3] The largest species of Notropis buchanani caught was recorded at a length of 2.6 in (66 mm). [11]

Management

Currently, there are no widely used management practices to monitor Notropis buchanani. Populations are stable in southern drainages [14] and all states that populations of the species exist in, and the species has a low vulnerability [8] compared to other species of Notropis. Notropis buchanani was previously listed as a protected species in Ohio due to habitat loss according to the American Fisheries Society. It is currently not listed as threatened or endangered in any of the states the populations exist in. [15] Information on the historical distributions and success of Notropis buchanani is not accessible before 1920 because the species was thought to be a subspecies of Notropis volucellus. [3] The abundance of N. buchanani was considered to be larger before it was discovered in Ohio in 1930. Habitat loss is thought to be a large factor in the decline of populations in the Ohio River Basin. The impounding of waters through damming creates a natural barrier for populations. A 1947 collection of the species was taken from lower Norris Reservoir that suggests the range of N. buchanani extended farther up the Tennessee River. [11] The population survived for roughly 10 years after the completion of the reservoir, but it is now considered extirpated, as TVA biologists failed to capture any recent specimens after frequent sampling. [11] State and Federal Fish and Wildlife agencies are monitoring the abundance of populations of Notropis buchanani as well as the other native and non-native freshwater fish, but due to the stabilization of species, no specific actions have been designed to help mitigate the risk for the loss of the species. Notropis buchanani was previously listed as a protected species in Ohio due to habitat loss according to the American Fisheries Society, but it is currently not listed as threatened or endangered in any of the states that populations of the species occur.

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References

  1. ↑ NatureServe.; Lyons, T.J. (2019). "Notropis buchanani". IUCN Red List of Threatened Species . 2019: e.T191273A130023784. doi: 10.2305/IUCN.UK.2019-2.RLTS.T191273A130023784.en . Retrieved 12 November 2021.
  2. 1 2 Holm, E. and J. Houston. 1993. "Status of the ghost shiner, Notropis buchanani, in Canada". Can. Field Naturalist 107:440-445.
  3. 1 2 3 4 Trautman, M. B. 1981. The Fishes of Ohio. Ohio State University Press. 782 pp.
  4. ↑ Hubbs, C., R. J. Edwards, and G. P. Garrett. 1991. "An annotated checklist of the freshwater fishes of Texas, with keys to the identification of species". The Texas Journal of Science. 43(4):1-56.
  5. ↑ Holm, E. and G.A. Coker. 1981. "First Canadian records of the ghost shiner (Notropis buchanani) and the orangespotted sunfish (Lepomis humilis)". Can. Field Naturalist 95: 210-211.
  6. ↑ Knott, Edward and Dean Fitzgerald (2000). "Comparative Morphology and Taxonomic status of the Ghost Shiner, Notropis buchanani in Canada". Environmental Biology of Fishes. 59: 385–392.
  7. ↑ Becker, G.C. 1983. Fishes of Wisconsin. University of Wisconsin Press, Madison. 1052 pp.
  8. 1 2 Froese, Rainer; Pauly, Daniel (eds.) (2011). "Notropis buchanani" in FishBase . August 2011 version.
  9. ↑ Miller, R.J. and H.W. Robinson. 1973. The Fishes of Oklahoma. Oklahoma State University Press, Stillwater. 246 pp.
  10. 1 2 Reeve M. Bailey. Reviewed work(s): Atlas of North American Fresh Water Fishes by D. S. Lee; C. R. Gilbert; C. H. Hocutt; R. E. Jenkins; D. E. McAllister; J. R. Stauffer, Copeia Vol. 1982, No. 4 (December 21, 1982), pp. 983-985
  11. 1 2 3 4 Etnier, D.A., and W.E. Starnes. 1993. The fishes of Tennessee. University of Tennessee Press, Knoxville, Tennessee. 681 pp.
  12. ↑ Pflieger, W. L. 1975. The Fishes of Missouri. Missouri Department of Conservation. 343 pp.
  13. ↑ Ross, S. 2001. The Inland Fishes of Mississippi. University Press of Mississippi. 197-199 pp.
  14. ↑ Warren, M.L. Jr., B.M. Burr, S. J. Walsh, H.L. Bart Jr., R. C. Cashner, D.A. Etnier, B. J. Freeman, B.R. Kuhajda, R.L. Mayden, H. W. Robison, S.T. Ross, and W. C. Starnes. 2000. "Diversity, distribution and conservation status of the native freshwater fishes of the southern United States". Fisheries 25(10):7-29.
  15. ↑ U.S. Fish & Wildlife Service. 2010.


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