FISHERY BULLETIN: VOL. 70, NO. I 



86° W. Institute of Oceanolog-y, Academy of Sci- 

 ences of the USSR, Moscow; 1 (49 mm), 20 Sept. 

 1961, 33° N, 17° W, Museu Municipal do Fun- 

 chal; 1 (57 mm), 29 Jan. 1922, 19° N, 79° W, 

 Zooloofical :\Iuseum, University of Copenhagen; 

 2 (79-95 mm), 17 Dec. 1969, 31° N, 119° W, 

 2 (65-71 mm), 10 June 1967, 35° N, 123° W, 

 Scripps Institution of Oceanography; 1 (75 mm) , 

 17 Sept. 1966, 1° N, 81° W, 1 (80 mm), 15 Jan. 

 1969. 32° X, 120° W, Smithsonian Oceanographic 

 Sorting Center; 1 (82 mm) , 13 Apr. 1962, 30° N, 

 120° W, 1 (77 mm) , 29 Mar. 1962, 35° N, 129° W, 

 National Marine Fisheries Service. 



D 12-13 (11); A 13 (11-14); P 14 (13-15); 

 V 8; gill rakers 3-4 + 1 -^ 9-10 (8-11) . total 13-15 

 (12-16); vertebrae 35-36; procurrent caudal 

 rays 7 + 6-7. 



Mouth terminal, moderately large, JL about 

 1.5 in Pre P. Eye large, ED 2.2-3.2 in Pre P. 

 A short pterotic spine directed posterolaterally. 

 Oi)ercular margin slightly concave posterodor- 

 sally to a level above upper end of base of pectoral 

 fin, slightly convex posteriorly. Pectoral rays 

 reaching base of pelvic fins; base of pectoral fin 

 midway between ventral margin of body and hor- 

 izontal septum. Pre V 2.1-2.3 in SL. Pre D 



1.9-2.1 in SL; end of base of dorsal fin in ad- 

 vance of origin of anal fin. Pre A 1.5-1.7 in SL. 

 Base of adipose fin directly above, or somewhat 

 behind end of base of anal fin; Pre Ad 1.2-1.4 

 in SL. 



Vn apparently absent. Head and body photo- 

 phores absent. Secondary photophores present 

 on snout and interradial membranes of caudal 

 fin. 



Length of supracaudal luminous gland 1.5-2 

 in length of infracaudal gland; sexual dimor- 

 phism not apparent; both glands undivided and 

 surrounded by dark pigment. 



Mesopterygoid teeth rather sparsely distrib- 

 uted. Single row of needlelike teeth on palatine. 

 No vomerine teeth. Both jaws with needlelike 

 teeth which bend medially (those on the anterior 

 part of premaxillary somewhat longer). Se\^- 

 eral broad-based, anteriorly hooked teeth on pos- 

 terior medial surface of dentary as in T. bathy- 

 philus. Two to three pairs of similar teeth pro- 

 jecting forw^ard and laterally on symphysial area 

 of premaxillary. 



Taaningichthys paurolychnus is the largest of 

 the three species, the longest specimen examined 

 measuring 95 mm. It has apparently lost its 



°T. minimus 

 »T. bathvphilus 

 *T. paurol y chnus 





W 



Figure 5. — Catch localities of Tanningichihys viinimuft, T. bathyphilns, and T. paurolychnus. Capture locality for 



specimen taken from 67°31' S/9()°26' W not .shown. 



72 



