Pegias fabula és una espècie de musclo d'aigua dolça pertanyent a la família Unionidae. Com a adult, pot arribar a 38 mm de llargària total. La closca és de color groc fosc o verd clar amb ratlles fosques. Els individus joves tenen unes poques ratlles fosques al llarg de la base de la closca. Presenta dimorfisme sexual.www.ncnhp.org La reproducció té lloc al setembre i l'octubre.North Carolina Wildlife Resources Commission Es troba al fons dels rierols, parcialment colgat entre sorra, grava i còdols dispersos.Bogan, A.E. i P.W. Parmalee, 1983. Tennessee's rare wildlife. Vol. 2: The mollusks. Tennessee Wildlife Resources Agency and the Tennessee Conservation Department: Nashville, Tennessee. 123 pp.Stansbery, D.H., 1976. Naiad mollusks. Pàgines 42-52 a H. Boschung (ed.). Endangered and threatened plants and animals of Alabama. Bulletin of the Alabama Museum of Natural History, 2: 1-92.
És un endemisme dels Estats Units: Alabama, Kentucky, Carolina del Nord, Tennessee i Virgínia, incloent-hi el sud dels Apalatxes.IUCN Encyclopedia of Life NatureServe Mirarchi, R. E., J. T. Garner, M. F. Mettee i P.E. O'Neil, 2004. Alabama wildlife. Volum 2. Imperiled aquatic mollusks and fishes. University of Alabama Press, Tuscaloosa, Alabama. xii + 255 pp.The Scientific Council on Freshwater and Terrestrial Mollusks (W.F. Adams, J.M. Alderman, R.G. Biggins, A.G. Gerberich, E.P. Kefverl, H.J. Porter i S.S. van Davender eds.), 1990. A report on the conservation status of North Carolina's freshwater and terrestrial molluscan fauna.Williams, J.D., A.E. Bogan i J.T. Garner, 2008. Freshwater Mussels of Alabama & the Mobile Basin in Georgia, Mississippi & Tennessee, University of Alabama Press: Tuscaloosa, Alabama. 908 pp.Bogan, A.E., 2002. Workbook and key to the freshwater bivalves of North Carolina. North Carolina Museum of Natural Sciences: Raleigh, Carolina del Nord, 101 pp. Cicerello, R.R. i G.A. Schuster, 2003. A guide to the freshwater mussels of Kentucky. Kentucky State Nature Preserves Commission Scientific and Technical Series, 7: 1-62.Jones, J.W., R.J. Neves, M.A. Patterson, C.R. Good i A. DiVittorio, 2001. A status survey of freshwater mussel populations in the upper Clinch River, Tazewell County, Virginia. Banisteria, 17: 20-30. Jones, J.W. i R.J. Neves, 2007. Freshwater mussel status: Upper North Fork Holston River, Virginia. Northeastern Naturalist, 14(3): 471-480.LeGrand, H.E., Jr., S.P. Hall, S.E. McRae i J.T. Finnegan, 2006. Natural Heritage Program List of the Rare Animal Species of North Carolina. North Carolina Natural Heritage Program, Raleigh, Carolina del Nord, 104 pp. Encyclopedia of Alabama - Endangered Animal Species of Alabama Threatened and Endangered Species in the Southeastern States Virginia Endangered Species List Les seues principals amenaces són la contaminació de l'aigua, les extraccions mineres (sobretot, de carbó, petroli i gas natural), la construcció de carreteres, l'alteració dels rierols, les tales dels boscos, les activitats agrícoles, els embassaments, els canvis d'ús del sòl i els plaguicides.Parmalee, P.W. i A.E. Bogan, 1998, The Freshwater Mussels of Tennessee. University of Tennessee Press: Knoxville, Tennessee. 328 pp.Strayer, D., 1983, The effects of surface geology and stream size on freshwater mussel (Bivalvia, Unionidae) distribution in southeastern Michigan, U.S.A. Freshwater Biology, 13: 253-264.Layzer, J.B. i R.M. Anderson, 1992. Impacts of the coal industry on rare and endangered aquatic organisms of the upper Cumberland River Basin. Final Report to Kentucky Department of Fish & Wildlife Resources, Frankfurt, Kentucky and Tennessee Wild Resources Agency, Nashville, Tennessee. 118 pp.
Referències
Bibliografia
Ahlstedt, S.A., 1986. A status survey of the little-wing pearly mussel Pegias fabula (Lea, 1838). Report submitted to the U.S. Fish and Wildlife Service, contract 14-16-0004-84-927, Asheville, Carolina del Nord, 38 pp. Athearn, H.D., 1992. New records for some species of Alasmidontini. Malacology Data Net, 3(1-4): 90-91. Baillie, J. i Groombridge, B., 1996. Llista Vermella d'Espècies Amenaçades de la UICN 1996. UICN, Gland (Suïssa) Gordon, M.E. i J.B. Layzer, 1989. Mussels (Bivalvia: Unionoidea) of the Cumberland River review of life histories and ecological relationships. U.S. Fish and Wildlife Service Biological Report, 89(15): 1-99. Groombridge, B. (ed.), 1994. 1994 IUCN Red List of Threatened Animals. UICN, Gland (Suïssa) Howard, A.D., 1915. Some exceptional cases of breeding among the Unionidae. The Nautilus, 29: 4-11. UICN, 1990. Llista Vermella d'Animals Amenaçats de la UICN 1990. UICN, Gland, Suïssa i Cambridge, la Gran Bretanya. Lefevre, G. i W.T. Curtis, 1912. Studies on the reproduction and artificial propogation of fresh-water mussels. Bulletin of the Bureau of Fisheries, 30: 102-201. Moyle, P. i J. Bacon, 1969. Distribution and abundance of molluscs in a fresh water environment. Journal of the Minnesota Academy of Science, 35(2/3): 82-85. Strayer, D.L. i J. Ralley, 1993. Microhabitat use by an assemblage of stream-dwelling unionaceans (Bivalvia) including two rare species of Alasmidonta. Journal of the North American Benthological Society, 12(3): 247-258. Strayer, D.L., 1999. Use of flow refuges by unionid mussels in rivers. Journal of the North American Benthological Society, 18(4): 468-476. Turgeon, D.D., J.F. Quinn, Jr., A.E. Bogan, E.V. Coan, F.G. Hochberg, W.G. Lyons, P.M. Mikkelsen, R.J. Neves, C.F.E. Roper, G. Rosenberg, B. Roth, A. Scheltema, F.G. Thompson, M. Vecchione i J.D. Williams, 1998. Common and scientific names of aquatic invertebrates from the United States and Canada: Mollusks. Segona edició. American Fisheries Society Special Publication 26, Bethesda, Maryland: 526 pp. U.S. Fish and Wildlife Service (USFWS), 1988, Determination of endangered species status for the little-wing pearly mussel. Federal Register, 53(219): 45861-45865. U.S. Fish and Wildlife Service (USFWS), 1989, Little-wing pearly mussel recovery plan. U.S. Fish and Wildlife Service: Atlanta, Geòrgia (Estats Units) 29 pp. Watters, G.T., 1992. Unionids, fishes, and the species-area curve. Journal of Biogeography, 19: 481-490.
Enllaços externs U.S. Fish and Wildlife Service Center for Invasive Species and Ecosystem Health
Categoria:Uniònids