Fishes of the Western North Atlantic 



347 



First dorsal fin: vtT{\C2.\h.G.\g\\t 10.6, 11.3; length of base 11.3, ir.6. 



Second dorsal fin: vertical height 3.4, 3.2; length of base 4.5, 5.0. 



Anal fin: vertical height 3.7, 3.7; length of base 5.3, 5.4. 



Caudal fin: upper margin 28.3, 27.6; lower anterior margin 12.7, 12.5. 



Pectoral fin: outer margin 17.7, i7-7; inner margin 5.8, 5.4; distal margin 13.4, 



14.8. 



Distance from snout to: ist dorsal 30.9, 31.6; 2nd dorsal 61. i, 62.05 upper 



caudal 71.7, 72.4; pectoral 22.1, 25.4; pelvics 48.2, 49-0} anal 59.2, 61. i. 



Interspace between: ist and 2nd dorsals 20.5, 20.9; 2nd dorsal and caudal 6.S, 



6.3 } anal and caudal 5.9, 6. i . 



Distance from origin to origin of: pectoral and pelvics 26.1, 25.05 pelvics and 



anal 11.6, 11.9. 



Trunk moderately slender, its dorsal profile only slightly arched, its height at origin 

 of 1st dorsal about V^-Vg its length to origin of caudal. No mid-dorsal ridge. Upper pre- 

 caudal pit rounded, the lower a subrectangular furrow and less strongly marked than 

 upper. Caudal peduncle about i Vs times as thick as deep. Dermal denticles closely spaced 

 and usually overlapping, the skin visible only here and there between them, the smaller 



Figure 62. Carcharhinus limbatus, female, about 990 mm. long, from southern Florida (Amer. Mus. Nat. 

 Hist.). A, B Caudal peduncle, from above and below respectively, to show precaudal pits. C Left-hand 

 upper and lower teeth, about 1.8 x. D Dermal denticles, about 30 x. E Apical view of dermal denticle, 

 about 60 X. 



