Body to about 9 feet (2.7 m) long. Many-toothed blackfish 



Body black on back; light gray on belly. „ i > , 



„ J , , u 1 J 1 • r u* Peponocephala electra 

 Head rounded; no beak; underslung jaw; lips white. 



Dorsal fin to 10 inches (25.4 cm), tall, distinctly back curved. P- ^^^ 



Distribution tropical (not yet reported in western North Atlantic). 



Body to about 11 feet (3.4 m) long. Pygmy sperm whale 



Body dark steel gray on back; lighter gray on sides; pinkish to white k h 



on belly (older animals speckled on belly). ^ ^ 



Head blunt; jaw underslung; false gills or bracket marks on side of p. 144 



head. ~ 



Dorsal fin small; located in last one-third of body. 

 Has not been reported to ride bow waves. 

 Distribution in tropical and temperate waters. 



Body to about 9 feet (2.7 m) long. D^arf sperm whale 



Body dark steel gray on back; lighter gray on sides; pinkish to jCnn^in o,™„o 



white on belly. 

 Head blunt; jaw underslung; false gills or bracket marks on side P- ^^° 



of head. 

 Body has two small creases on throat. 

 Dorsal fin like that of Atlantic bottlenosed dolphin; located near 



midpoint of back. 

 Has not been reported to ride bow waves. 

 Distribution poorly known; at least from Georgia to the tropical 



seas. 



Body to 5 feet (1.5 m) long. Harbor porpoise 



Body dark brown above and white below; transition zone on sides p, , 



often speckled or streaked; ventral white extends high onto side 



in front of dorsal fin. P- 1^0 



Head rounded; beak small and indistinct. 

 Dorsal fin short and triangular. 

 Distribution in shallow waters from at least Delaware north; 



generally found inshore; often in bays, river mouths and inlets. 

 Does not approach boats. 



18 



