Benthic and Pelagic Habitats of Red Crab — Boyd 395 
Fig. 1. Dorsal view of a male Pleuroncodes planipes. The standard carapace length of this specimen, 
as measured from the notch between the rostral and subrostral spine to the median dorsal posterior margin 
of the carapace was 21.3 mm. In life the abdomen is 
red. 
in aquaria or by experimental work, but only 
by evidence from the field. The center of the 
distribution of P. planipes in the pelagic phase 
is off the western coast of southern Baja Cali- 
folded under the cephalothorax and the body is bright 
fornia. The bright coloration of P. planipes, 
their well-developed eyes, and the known 
depth distributions of other Galatheidae sug- 
gested their occurrence along the continental 
