C.I, 16-22 



N = 21 



10- 



10- 







10 



cl. 23-29 



N=20 



C.I. 30-36 



N=27 



C.I. 37-43 



N = 22 



•Vs 



Figure 64. — Frequency distributiou of keel-sulciis (K/S) 

 values ( both sexes ineluclecl ) in Pcnaciis (J/.) paidcnsis 

 Perez Farfaute of different size classes. 



COLOR 



Like other Penaeus. P. paulen.sis is variable in 

 color, but most often is pinkish; thus, the name 

 camarao rosa (pink shrimp) applied to it in 

 Brazil. 



Distribution and Morphological Variations 



The range of P. paulennis extends from south of 

 Cabo Frio along the coast of southern Brazil and 

 Uruguay as far as northeast Argentina (fig. 67). 

 Boschi (1968) has found P. pa^ilensis along the 



Figure 65. — Pcnacus (Af. ) paulcnsis Perez Farfante. a. 

 Petasma, distal portion, $ 39 mm. cl., Ponta do Boi, 

 Sao Paulo, Brazil, b. Petasma, $ 39 mm. cl., Ponta do 

 lioi, Sao Paulo. Brazil, c Apiiendix masculina, S 39 

 mm. cl., Santos, Sao Paulo, Brazil. 



eastern coast of Buenos Aires Province (lat. 38°30' 

 S; long. 57°20' W.) and has, thus, confirmed the 

 belief (Perez Farfante, 1967) that the species ex- 



WESTERX ATLANTIC SHRIMPS OF GENUS PENAEUS 



559 



