Orange County NC Website
North Carolina Mussel Atlas Pale 1 oft <br />Species .~nfarrnotr'vn ant Stal~us <br />WILDLIFE SPECIES 8 CONSERVATION <br />yellow lampmussel Lampsilis carioca (Say, 1817) <br /> <br />Please Note: Red Text is defrned in the G/oss~ <br />Description <br />Say described this species in 1817 from the G4 t0 <br />Schuylkill River in Pennsylvania. The ~~'Ii~" <br />periostracurn is smooth, shiny, and usually <br />yellow with some brownish freckling or patches <br />on some surface areas. Rays may be present -usually o.n the <br />posterior slope but rarely may extend toward the anterior end,: <br />resulting in over half the shell being rayed. Females are obovate or <br />subovate resulting in a rather short high shape. Mates are elongate <br />and elliptical. Shells may reach 130 mm in length (Johnson 1970). <br />The nacre is usually white to bluish white. Britton and Fuller (1979) <br />and Fuller and Bereza (1974) add that a distinguishing characteristic <br />of female yellow lampmussels is the development of the mantle, <br />anterior to a larger darkly pigmented "eyespot," into a strongly <br />developed flap of tissue on each mantle lobe. Also, the ventral <br />margin of the marsupium is darkly pigmented (Britton and Fuller <br />1979). <br />Distribution see rna <br />The yellow lampmussel is found from the lower Ottawa River, <br />Canada eastward to the Sydney River, Nova Scotia then south to the <br />Ogeechee River Drainage Basin in Georgia (Johnson 1970). Atone <br />time this species probably ranged throughout most of the Atlantic <br />Slope drainages in North Carolina; however, historical records <br />provided by Johnson (1970) come from the Coopor-Santee, <br />Waccamaw, Cape Fear, neuse, Pamlico, and Chowan drainages. It <br />appears that this species has been recently extirpated from the Black <br />River in Sampson, Bladen, and Pender counties and from Ruin <br />Creek in Vance County. <br />Distribution by County: Pee-Dee River Basin: Montgomery Co. (Little <br />River Basin). Waccamaw River Basin: Columbus Co. (Lake <br />Waccamaw). Cape Fear River Basin: Randolph Go. (Deep River); <br />Moore (Deep River); Chatham (Deep River); Lee Co. (Deep River); <br />.Harnett Co. (Cape Fear River); Cumberland counties (Cape Fear <br />River}. Neuse River Basin: Person Co. (Flat River Subbasin}, <br />Durham Go. (Flat and Little river subbasins}, Orange Go. (Eno River <br />Subbasin), Johnston Co. (Little River Subbasin). Tar River Basin: <br />Granville Co, (Tar River Subbasin), Franklin Co. (Sandy Cr. <br />Subbasin and Tar River), Nash Co. (Swift and Fishing creek <br />subbasins and Tar River), Edgecombe Co. (Fishing Cr. Subbasin. <br />and Tar River), Halifax Go. (L. Fishing and Fishing creek subbasins). <br />NOTE: All headwater areas that flow into These occupied habifafs <br />should receive special management. <br />Habitat Preferences <br />The yellow lampmussel can be found in many different habitats; <br />however, it appears to slightly prefer the shifting sands downstream <br />http://www.ncwildlife.org/pg07_wildlifespeciesco~~/p~7bla1_15.htm 1/6/2009 <br />(interior) <br />(exterior) <br />