NOTOTHENIIDAE 



7i 



Notothenia jordani, Thompson. 



Notothenia jordani, Thompson, 1916, Proc. U.S. Nat. Mus., L, p. 443, pi. iii, fig. 3. 



St. WS 90. 7. iv. 27. 13 miles N 83° E of Cape Virgins Light, Argentine Republic. Commercial 

 otter trawl, 82-81 m.: 2 specimens, 160, 165 mm. 



St. WS 833. 1. ii. 32. 52 30' S, 68° 00' W. Nets (4 and 7 mm. mesh) and seine net attached to 

 back of trawl, 38-31 m.: 9 specimens, 120-175 mm - 



St. WS 834. 2. ii. 32. 52 57' 45" S, 68° 08' 15" W. Seine net attached to back of trawl, 27- 

 38 m.: 12 specimens, 55-120 mm. 



St. WS 836. 3. ii. 32. 53 05' 30" S, 67 38' W. Small beam trawl, 64 m.: 19 specimens, 110- 

 220 mm. 



Depth of body 4! to 4! in the length, length of head 3^ to 3! . Snout about as long 

 as eye, diameter of which is 4 to 5 in length of head ; interorbital width about 5. Lower 

 jaw a little longer than upper ; maxillary extending to below anterior part or middle of 

 eye; teeth in bands, none enlarged; upper surface of head (except snout and prae- 

 orbital), cheeks and opercles covered with ctenoid scales, which do not extend forward 

 beyond anterior edges of eyes ; 3 to 5 rows of scales between the eyes. 20 to 25 rather 

 long, fine gill-rakers on lower part of anterior arch. Scales on body ctenoid ; 58 to 62 

 in a lateral longitudinal series; 43 to 48 tubular scales in upper lateral line, which 

 extends to or very slightly beyond last ray of dorsal, 8 to 17 in lower lateral line. 

 Dorsal VI-VIII (usually VII) 33-35 ; second spine generally longest, f to f length of 



Fig. 32. Notothenia jordani. x §. 



head. Anal 31-33. Pectoral § to f the length of head, about as long as pelvics, which 

 extend to or nearly to vent. Caudal rounded; caudal peduncle about as deep as long, 

 its least depth \ or rather more than j length of head. Pale brownish, with irregular 

 broad dark cross-bars directed obliquely forward on upper parts of sides, continued on 

 to the base of the soft dorsal, where they appear as dark blotches ; usually a dark patch 

 in the centre of the caudal peduncle ; traces of yellowish-brown longitudinal stripes on 

 sides; spinous dorsal dusky; soft dorsal with narrow, somewhat oblique, longitudinal 

 stripes ; anal uniformly pale or dusky at base ; pectorals pale, with a dusky blotch across 

 the base ; pelvics yellowish. 



Hab. Patagonian-Falklands region ; Straits of Magellan. 



This species, which is new to the British Museum collection, was described by 

 Thompson from numerous specimens from off the Gulf of St George, off Cape Virgins, 



