Lampadena urophaos 



Paxton, 1963 



Fig. 139 — Lampadena urophaoa. male, 112-0 mm. 



Fig. 140 — Lampadena urophaos. 56-0 mm. From Nafpaktitis and Paxton 

 (1968, p. 8, fig, 2). 



Description 



D. 15 (14-16); A. 14 (13); P. 16 (15-17); AO 5 (6) + 2 (3), total 7 (8-9); gill rakers 4 (3-5) + 1 

 + 8-9 (10), total 13-14 ( 16); PO 5; VO 5 (4-6); Pre 2+1; vertebrae 36 (35). 



Pterotic spine strong, directed posteriorly and slightly ventrally. Caudal luminous glands 

 about of equal size in small specimens, but supracaudal gland slightly larger in those over 50 

 mm. Distance from anterior end of infracaudal gland to end of base of anal fin 1.0 to 0.75 times 

 the length of the gland. 



Size: To 104 mm. 



Least depth of capture: To 130 m at night. 



Distribution: L. urophaos occurs between about 25° and 42° N in the eastern Pacific and 

 westward to Hawaii, A possible subspecies occurs in the North Atlantic Ocean. 

 Discussion 



Maul (1969) described a new subspecies, L. urophaos atlanticus , from the northeastern 

 Atlantic Ocean, He based the distinction on a more posterior position of PVOi (slightly behind, 

 rather than on, a vertical from PVO2); also, the 2 caudal luminous glands were described as 

 equal in length at all sizes of specimens, whereas in the Pacific form the supracaudal gland 

 was somewhat larger in specimens over 50 mm. 



152 



