_l_L 



_l_L 



10 



Men 



Figure 5. — Postlarval to young specimens of Tetrapturus angustirostris. a. 4.5-mm SL (Ueyanagi, 1963a), 

 b. 13.0-mm SL (Ueyanagi, 1963a), c. 27.2-mm SL (Ueyanagi, 1963a), d. 514.0 SL (Watanabe and 

 Ueyanagi, 1963). SL = standard length: from tip of snout to end of hypural bone. 



rakers are not formed and, instead, there is a thick 

 growth of villiform minute conical teeth on that part 

 of the gill, giving a rough touch. 

 The height of the first dorsal fin is nearly the same 



throughout its entire base, but the anterior lobe is not 

 yet formed and the fin rays in the central part are 

 slightly higher compared with those of the adult. First 

 and second dorsal fins are still continuous. Number of 



47 



