Discovery reports (1940) Discovery reports discoveryreports18inst Year: 1940 CHAENICHTHYIDAE 77 Related to Chaenocephaliis, but the rays of the pelvic fins are simple, the two outer ones enlarged and prolonged; an additional lateral line at the base of the anal fin. Two species. Coasts of the Antarctic Continent. Cryodraco antarcticus, DoUo. ? Pagetodes, Richardson, 1844, Zool. 'Erebus and Terror (Fish.), p. 15, pi. viii, fig. 3. Cryodraco antarcticus, Dollo, 1900, Bull. Acad. roy. Belg. (Classe Sci.), No. 2, p. 129; 1904, Res. Voy. 'Belgica', Zool., Poiss., p. 20, pi. i, pi. v, fig. 7; Reg
Discovery reports (1940) Discovery reports discoveryreports18inst Year: 1940 CHAENICHTHYIDAE 77 Related to Chaenocephaliis, but the rays of the pelvic fins are simple, the two outer ones enlarged and prolonged; an additional lateral line at the base of the anal fin. Two species. Coasts of the Antarctic Continent. Cryodraco antarcticus, DoUo. ? Pagetodes, Richardson, 1844, Zool. 'Erebus and Terror (Fish.), p. 15, pi. viii, fig. 3. Cryodraco antarcticus, Dollo, 1900, Bull. Acad. roy. Belg. (Classe Sci.), No. 2, p. 129; 1904, Res. Voy. 'Belgica', Zool., Poiss., p. 20, pi. i, pi. v, fig. 7; Regan, 1913, Trans. R. Sac. Edinburgh, XLix, p. 288; Waite, 1916, Austral. Antarct. Exped. Sci. Rep., Ser. C, ni (i). Fishes, p. 39; Norman, 1937, , p. 76. Cryodraco atkinsoni, Regan, 1914, Ann. Mag. Nat. Hist., (8) xni, p. 13; 1914, Rep. Brit. Antarct. {'Terra Nova') Exped. 1910, Zool. i (i), p. 11, pi. vii, fig. 2. St. 167. 20. ii. 27. Off Signy Island, South Orkneys. Net (7 mm. mesh) attached to back of trawl, 244-344 rn.: 2 specimens, 220, 230 mm. St. 1660. 27. i. 36. 74° 46-4'S, 178° 23-4'E. Large otter trawl, 351m.: 2 specimens, 245, 250 mm. Depth of body 7J to 8| in the length, length of head 3! to 3. Snout | or nearly length of head; diameter of eye 4 to 5 J, interorbital width 4I to more than 5 in length of head. Lower jaw not projecting; maxillary extending nearly to below middle of eye. Supraorbital edges not raised; operculum with two divergent ridges, each ending in a spine, the upper one being bi- or tri-fid. Dorsal III-V, 40-44; the membrane between the spines sometimes missing (? torn away) in young; first and second spines subequal or first a little longer than second. Anal 42-46. Pectoral with 23 to 25 rays, about f length of head, extending to above anterior rays of anal; pelvics from f (adult) to twice (young) length of head, extending in adults to below middle of dorsal fin or not as far, in young nearly to end of dorsal. Caudal a little emarginate. Grey
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