A new species of chimaeroid, Hydrolagus alphus sp. nov. (Chimaeriformes: Chimaeridae) from the Galapagos Islands. Author Kimberly L. Quaranta Author Dominique A. Didier Author Douglas J. Long Author David A. Ebert text Zootaxa 2006 1377 33 45 http://www.zoobank.org/urn:lsid:zoobank.org:pub:E5D0DE3F-2256-4E32-9056-83CFFB919447 journal article z01377p033 E5D0DE3F-2256-4E32-9056-83CFFB919447 Hydrolagus macrophthalmus - 4 specimens ( Chile ). MNHNC P. 7282 (E.B.M.Ch.10.192), holotype , adult male, at time of description 625 mm TL, currently 385 mm TL (due to damage of specimen), 360 mm PCL, 296 BDL, preabyssmal zone off Valpraiso, January, 1959 ; MNHNC P. 5724, adult male, about 445 mm TL, 365 mm PCL, 296 BDL, off Valpariso (33°02, 71°39’W ), determined by Ismael Kong U., 15 Sept 1974 ; MNHNC P. 6421 (A), adult female, 627 mm TL, 425 mm PCL, 355 mm BDL, vessel R/V Academic Knipovich, ( 41°04’5” S , 74°16’1” W ), determined by Augusto Cornejo C., 300 m, 02 Mar 1973 ; MNHNC P. 6421 (B), adult female, 572 mm TL (tail broken), 493 mm PCL, 424 mm BDL, same information as (A) . Hydrolagus macrophthalmus - 7 specimens ( Peru ). HUMZ 185708, adult female, 560 mm TL, 415 mm PCL, 342 mm BDL, Eastern Pacific, Peru (9-42.5'S - 9-43'S, 79-35.5'W - 79-43.5'W), 785 m ; HUMZ 185709, adult male, 527 mm TL, 355 mm PCL, 358 BDL, Eastern Pacific, Peru , (9-42.5'S - 9-43'S, 79-35.5'W - 79-43.5'W), 787 m ; HUMZ 167821, adult female, 515 mm TL, 420 mm PCL, 346 mm BDL, Eastern Pacific, Peru (10-12.2'S - 10-10.8'S, 79-06.3'W - 79-06.7'W), 1056 m ; HUMZ 167443, adult Female, 636 mm TL, 424 mm PCL, 357 mm BDL, Eastern Pacific, Peru (9-20.5'S - 9-19.5'S, 79-47.7'W - 79- 48.4'W), 1160 m ; HUMZ 167820, adult female, 594 mm TL, 425 mm PCL, 353 mm BDL, Eastern Pacific, Peru (10-12.2'S - 10-10.8'S, 79-06.3'W - 79-06.7'W), 1056 m ; HUMZ 167128, adult male, 612 mm TL, 391 mm PCL, 320 mm BDL, Eastern Pacific, Peru (9-03.7'S - 9-06.5'S, 80-00.7'W - 80-00.6'W), 872 m ; HUMZ 173320, adult female, 540 mm TL, 420 mm PCL, 346 mm BDL, Eastern Pacific, Peru (3-56.2'S - 4-03.4'S, 81- 16.8'W - 81-11.8'W), 590 m .