Procambarus (Ortmannicus) pearsei (Creaser 1934)
(Sandhills crayfish)
 

Procambarus pearsei (photographed by Aimee Fullerton, NCWRC)
 
 

General information
Distribution map
Photographs
Illustrations




National Range: “Johnston* and Sampson counties, North Carolina, south to Horry and Marion counties, South Carolina” (Hobbs Jr. 1989)

NC Physiographic Region(s): coastal plain

River Basin(s): Lumber, Waccamaw, lower Cape Fear (not Northeast Cape Fear)

Adult Habitat: “lentic situations and burrows (secondary burrower)” (Hobbs Jr. 1989); "ponds, lakes (including Carolina bays), pools, swamps, roadside ditches, and borrow pits but is also found in burrows" (Cooper and Braswell 1995)

Juvenile Habitat: n/a

Reproductive Season: spring, others?

Species associates: P. blandingii, F. fodiens

Conservation status: placed on North Carolina Watch List (W.F. Adams and J.E. Cooper in Clamp 1999); considered by Taylor et al. (1996) to be Currently Stable throughout its range

Identification references: Cooper 1998, Hobbs Jr. 1989, Hobbs 1991

Taxonomic Description:

body shape: cylindrical; fairly small species
coloration:  light brown or tan with highlights in pastels (greens, pinks, salmon) and often speckled with dark spots
spines: branchiostegal spine present; others lacking
rostrum: short, blunt, fairly flat; without marginal spines (usually – but can be present in juveniles)
areola: fairly wide
chelae: having strong dorsolongitudinal ridges; not robust but fairly large for this genus
other characteristics: n/a
form I male gonopod: tip of gonopods angled 80-90 degrees from main shaft (terminal elements directed caudally); cephalic process broad; caudal process flared or truncate; distal ¼ of mesial process bent strongly laterally; subapical setae originating from punctations around base of cephalic process and part of central projection
Notes:  part of the planirostris group; *the Johnston locality given by Hobbs was for P. medialis


Glossary
Conservation Status
References

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