FISHERY BULLETIN: VOL. 87, NO. 3, 1989 



segment of 1st antenna with 1 spine near stato- 

 cyst, 1 distally; 2 rami now elongated (Fig. 7b). 

 Antennal flagellum almost as long as blade (Fig. 

 7c). Most fine teeth and gi-inding teeth absent 

 from mandible, now bearing 2-segmented, 

 setose palp (Fig. 7d). First maxilla (Fig. 7e) un- 

 changed; epipod of 2nd maxilla (Fig. 7f) extends 

 from base to tip. Exopod and endopod of 1st 

 maxilliped reduced in size (Fig. 7g). Second 

 maxilliped Utile changed (Fig. 7h), endopod of 



3rd maxilliped long and slender (Fig. 7i). Pere- 

 opods and chelae longer and stronger (Fig. 7j). 

 One long median sternal spine on 4th thoracic 

 segment, and 1 short median sternal spine on 5th 

 (sternal spine formula 0+0+0+1 + 1) (see Figure 

 15e). Only 6th abdominal segment with dorsal 

 spine (Fig. 7a). Posterior margin of telson 

 rounded, without cleft. Telson spine formula 

 remaining 7+7 with additional 2 long, feathery 

 submedian setae (Fig. 7k). 



Figure 7. — Atypopenaeus formosus postlarva. (a) whole animal (lateral view), (b) 1st antenna, (c) 2nd antenna, (d) 

 mandibles, (e) 1st maxilla, (f) 2nd maxilla, (g) 1st maxilliped, (h) 2nd maxilliped, (i) 3rd maxilliped, (j) 1st pereopod, (k) 

 telson. Scale = 0.1 mm. 



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