Attribution: photo by J. E. Cooper, courtesy of N. C. Museum of Natural Sciences.
General information
Distribution map
Photographs
Illustrations
NC Physiographic Region(s): northwestern mountains
River Basin(s): New (New-Kanawha endemic)
Adult Habitat: fast-flowing, cold, clear water; under medium-large rocks; gravel substrate
Juvenile Habitat: in smaller rocky substrate
Reproductive Season: fall (more?)
Species associates: C. bartonii, C. chasmodactylus, C. robustus, (possibly C. sp. A, others?)
Conservation status: not protected
Identification references: Taylor 2000, Cooper and Cooper 1995
Taxonomic Description:
body shape: cylindricalNotes: previously thought to be O. rusticus; this species was subsequently referred to as O. (P.) sp. B until its recent description
coloration: brown carapace with red, yellow, and black highlights; black dorsal abdomen with red & yellow bumps on chelae and red sutures; large scarlet tubercle at base of fingers; chelae tips with orange but not with black band
spines: all spines present
rostrum: straight margins; concave dorsally; marginal spines; long acumen
areola: fairly narrow
chelae: not very robust; straight fingers with no gap between
other characteristics: obtuse suborbital angle; serrate edges of cutting edge of mandibles (vs. straight in O. rusticus)
form I male gonopod: both terminal elements long and similar in length; strongly resembling those of O. rusticus