TQfl GIANT FISHES 



qq. There are no teeth on the roof of 

 the mouth ; the spinous part 

 of the dorsal fin is shorter than 

 the soft, and is composed of 

 rather weak spines 



Croakers or Roncadors (p. 12Q). 

 pp. There is a single, undivided dorsal fin, 

 extending from the head to the 

 tail, without any true spines ; the 

 head is high, with a nearly vertical 

 cutting edge in front Dolphins (p. 127). 

 kk. There are always 2 or more detached 

 finlets behind the dorsal and anal fins, 

 w. The caudal fin is moderately forked, 

 the lobes not being acutely pointed ; 

 the peduncle of the tail is not very 

 slender and is without keels. 

 x. The skin is covered with sharp, 

 forked prickles ; the belly is 

 keeled ; the spinous dorsal fin has 

 from 13 to 15 spines ; the soft 

 dorsal and anal fins are followed by 

 2 finlets 



Escolars or Oil-fishes (p. 135). 

 xx. The skin is without prickles ; the 

 belly is not keeled ; the spinous 

 dorsal fin has 20 spines ; the soft 

 dorsal and anal fins are followed 

 by 6 finlets . . Snoek (p. 136). 



ww. The caudal fin is widely forked, the 

 lobes being acutely pointed ; the 

 peduncle of the tail is slender and is 

 keeled on each side. 

 y. The spinous dorsal fin has from 10 to 

 16 spines ; the teeth have smooth 

 edges. 

 z. The body is oblong and robust ; 

 the scales in the "shoulder" 

 region form a corselet ; the teeth 

 are not or scarcely flattened. 

 a. The soft dorsal and anal fins form 

 pointed lobes of moderate 

 height. 

 b. The pectoral fins are of 

 moderate length, and do not 

 extend as far as the begin- 

 ning of the anal fin 



Tunnies (p. 142). 



