Cambarus (Depressicambarus) latimanus (LeConte 1856)
(no common name)
 

Cambarus latimanus (photographed by Aimee Fullerton, NCWRC)
 
 

General information
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National Range: “piedmont and coastal plain from the Tar and Cape Fear basins in North Carolina southward to the Altamaha and Apalachicola basins in Georgia and Florida, westward to the Coosa Basin in Alabama” (Hobbs Jr. 1989); blue ridge province in Tennessee (Williams and Bivens 1996)

NC Physiographic Region(s): eastern piedmont plateau, coastal plain

River Basin(s): Waccamaw, Cape Fear, Northeast Cape Fear, White Oak, Neuse, Tar-Pamlico, Hiwassee (see notes below)

Adult Habitat: “small to moderately large streams and burrows” (Hobbs Jr. 1989); “small to medium size streams, in pools, under rocks, in leaf litter, and burrows (secondary burrower)” (Williams and Bivens 1996); clear or swampy streams or ditches and burrows along stream banks and in floodplain: in leaf debris along bank, in leaf and log debris in deeper runs and pools, in riffles and runs with gravel and cobble substrate

Juvenile Habitat: surface waters, especially along edges in debris and in vegetation

Reproductive Season: late fall, early winter

Species associates: many

Conservation status:  not protected

Identification references: Cooper 1999, Hobbs Jr. 1989, Hobbs Jr. 1991

Taxonomic Description:

body shape: cylindrical or subcylindrical
coloration: often (but not always) possessing double stripes (dark reddish or dark brown or green in color) on dorsal abdomen; other coloration in shades of brown and cream or tan and greenish; some mottling and saddle pattern; cobalt blue morph captured in 1982 (Cooper and Braswell 1995)
spines: cervical spines, branchiostegal spines, cephalic spines, and marginal spines present; most spines not terribly strong
rostrum: having marginal spines or notches at base of acumen; margins converging; squarish and broad in general with small acumen
areola: fairly narrow, having approx. 2-5 punctations across narrowest part
chelae: generally robust; with two rows of strong tubercles along mesial margin of palm; mesial margin of palm short; dorsal and ventral surfaces of palm with large tubercles; moderately developed dorsolongitudinal ridges on fingers
other characteristics: suborbital angle acute or nearly so
form I male gonopod: corneous central projection lacking subapical notch (or shallow, if present); mesial process tapered, tip rounded rather than pointed
Notes:  a population assigned to this species was collected from the Hiwassee basin (and nearby areas of Georgia and Tennessee) but further sampling effort produced no crayfish of this species (Cooper and Braswell 1995) until examination of a sample collected in 1982 in Cherokee County (Cooper et al. 1998)


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