Size: Females to 68 mm, males to 58 mm. 



Least depth of capture: To 100 m. 



Distribution: Circumglobal between about 40° S and 65° S. 



Fig. 3 — Supracaudal luminous glands of males of certain species of the genera Protomyctophum and 

 Electrona. (1) Protomyctophum (Protomyctophum) anderssoni, (2) P. (P.I temsoni, (3) P. (P.) bolini, (4) 

 P. (Hierops) crockeri, (5) P. (H.) thompsom, (6) P. (H.) subparallelum , (7) P. (H.) parallelum, (8) 

 Electrona antarctica, (9 E. subaspera. From Andriashev (1962, p. 217, fig. 1). 



Protomyctophum (Protomyctophum) tenisoni 



(Norman, 1930). 



Fig. 4 — Protomyctophum (P.) tenisoni, male, 39.0 mm. From Andriashev (1962, p. 229, 



fig. 8). 



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