104 True Fishes 



SWORDFISH, SAILFISH, MARLINS 



I. First dorsal fin short; base of fin shorter than distance 

 from tip of sword to rear edge of gill slit 

 Page 105, fig. A 



See Swordfish, p. 352. 



II. First dorsal fin long; base of fin longer than distance 

 from tip of sword to rear edge of gill slit 

 Page 105, figs. B-D 



Ila. Height of first dorsal fin much greater than depth 

 of body 

 Page 105, fig. B 



See Atlantic Sailfish, p. 352. 



lib. Height of first dorsal fin less than depth of body 

 Page 105, figs. C, D 



1. First dorsal fin pointed at apex; lateral line not 

 visible 



Page 105, fig. C 



See Blue Marlin, p. 350. 



2. First dorsal fin rounded at apex; lateral Une 

 conspicuous 



Page 105, fig. D 



See White Marlin, p. 351. 



