FISHERY BULLETIN: VOL, 74, NO. 1 



(type S. whoi Mead); USNM 20678, 5(152-164), 

 eastern tropical Atlantic, lat. 07°32'N, long. 

 20°54'W, 1813-2125, 12 April 1971, 1,300 m, 

 1,600-mesh Engels trawl, RV Walther Herwig; 

 ISH 623/68, 7(73-162), eastern tropical Atlantic, 

 lat. 12°07'N, long. 23°08'W, 30 January 1968, 

 2,000 m, 1,600-mesh Engels trawl, RV Walther 

 Herwig; ISH 2095/71, 1(167), eastern tropical At- 

 lantic, lat. 05°30'S, long. 16°28'W, 9 April 1971, 

 1,950 m, 1,600-mesh Engels trawl, RV Walther 

 Herwig; ISH 2447/71, 12(86-160), eastern tropical 

 Atlantic, lat. 04°38'N, long. 19°21'W, 13 April 

 1971, 756 m, 1,600-mesh Engels trawl, RV 

 Walther Herwig; ISH 3099/71, 5(132-160), eastern 

 tropical Atlantic, lat. 07°32'N, long. 20°54'W, 14 

 April 1971, 1,300 m, 1,600-mesh Engels trawl, RV 

 Walther Herwig; ISH 2942/71, 2(134-155), eastern 

 tropical Atlantic, lat. 23°47'N, long. 20°59"W, 19 

 April 1971, 2,100 m, 1,600-mesh Engels trawl, RV 

 Walther Herwig. 



INDIAN OCEANl— IIOE 7001 Anton Bruun 

 III, 16 (25-94); IIOE 7004 Anton Bruun III, 7 

 (32-120); IIOE 7012 Anton Bruun III, 2 (23-25); 

 IIOE 7022 Anton Bruun III, 1 (113); IIOE 7027 

 Anton Bruun III, 1(138); IIOE 7037 Anton Bruun 

 III, 2 (40-87); IIOE 7046 Anton Bruun III, 3 (66- 

 179); IIOE 7143 Anton Bruun VI, 1 (131); IIOE 

 7147 Anton Bruun VI, 28 (28-142); IIOE 7153 

 Anton Bruun VI, 4 (42-161); IIOE 7154 Anton 

 Bruun VI, 12 (48-114); IIOE 7163 Anton Bruun VI, 

 12 (28-152); IIOE 7165 Anton Bruun VI, 3 (22-27); 

 IIOE 7206 Anton Bruun VI, 1 (27); IIOE 7277 

 Anton Bruun VI, 2 (40-87). 



Scopelengys clarkei n.sp. 



Holotype 



SIO 73-160, female (176 mm), central Pacific, 

 lat. 29°56.0'N, long. 144°56.6'W, 0224-0556 h; 14 

 February 1973, 10-foot IKMT, 0-1,000 m, RV 

 Alexander Agassiz. 



Paratypes 



USNM 210707, male (160 mm), central Pacific, 

 lat. 21°20-30'N, long. 158°20-30'W, 1204-1637 h; 

 15 September 1970, 10-foot IKMT, 0-1,000 m, RV 

 El Pescadero I; USNM 210706, male (156 mm). 



"Station data in Nafpaktitis and Nafpaktitis (1969). 



148 



central Pacific, lat. 24°N, long. 139°W, 0049-0149 

 h; 29 November 1972, 50-foot Universal trawl, 

 0-494 m, RV David Starr Jordan; FMNH 76366, 

 female (154 mm), central Pacific, lat. 22°N, long. 

 158°W, 1240-1645 h; 13 November 1969, 10-foot 

 IKMT, 0-800 m. 



Other Materials Studied 



SIO 51-76, female (109 mm), southeast of 

 Guadalupe Island, 17 March 1951, 10-foot IKMT, 

 0-549 m; FMNH 76367, juvenile (65 mm), central 

 Pacific, lat. 21°20-30'N, long. 158°20-30'W, 0421- 

 0600 h; 27 February 1971, % Cobb trawl, 0-150 m, 

 RV Townsend Cromwell; FMNH 76368, juvenile 

 (42 mm), central Pacific, lat. 21"20-30'N, long. 

 158°20-30'W, 2236-0105 h; 16-17 November 1969, 

 10-foot IKMT, 0-250 m, RV Teritu; T. Clarke, 

 71-3-9, larva (15 mm), central Pacific, lat. 21°20- 

 30 'N, long. 158°20-30'W, 1252-1645 h; 2 March 

 1971, 10-foot IKMT, 800-900 m, Y(N El Pescadero I, 

 retained at the Southwest Fisheries Center. 



Adult Morphology 



Body proportions of the holotype are given first, 

 followed, in parentheses, by range of values for 

 holotype and three paratypes. Body slender; 

 greatest body depth at origin of dorsal fin, 19.0 

 (18.4-19.0), tapering to a moderately deep caudal 

 peduncle (Figures IB, 2B), less than three in 

 length of head, 9.4 (9.4-10.2). Head slightly con- 

 cave in dorsal profile, head length 25.4 (24.5- 

 26.4); head depth 17.6 (16.7-17.9); eye small, orbit 

 3.0 (2.9-3.6); interorbital width 8.7 (7.6-8.7); 

 snout about one-third of head length, 8.3 (7.7- 

 8.8); length of maxillary 11.3 (11.3-12.6), greatest 

 width of maxillary 3.1 (2.8-3.6). Snout to: dorsal 

 fin origin 43.5 (39.0-43.5); anal fin origin 68.6 

 (65.1-69.6); pelvic fin origin 40.2 (40.2-43.4). 

 Length of dorsal fin base 17.3 (17.0-19.4); length of 

 anal fin base 16.0 (16.0-17.9). Color dark brown, 

 preserved in alcohol. 



Meristic Data 



Counts are based on all seven specimens. D 13 

 (7); A 14 (6), ? (1); P 13/13 (6), 13/12 (1); V 8/8 (7); 

 principal C 10 + 9 (7), procurrent C 7-8/6-9; bran- 

 chiostegal rays 8/8 (7); vertebrae 15 + 19 = 34 (6), 

 15 + 20 = 35 (1); gill rakers 1-2 + (6-8) = 7-10 

 (mean 8.2). 



