Snailfishes of the Careproctus rastrinus complex (Liparidae): redescriptions of seven species in the North Pacific Ocean region, with the description of a new species from the Beaufort Sea Author Orr, James Wilder Author Kai, Yoshiaki Author Nakabo, Tetsuji text Zootaxa 2015 4018 3 301 348 journal article 10.11646/zootaxa.4018.3.1 6158f053-39b4-4c78-829b-daf6832f22b3 1175-5326 232580 BDEF6499-7A88-496E-AB24-A82977F0D1A5 Key to the species of the Careproctus rastrinus complex 1a. Postorbital pore present; prickles dense, closely spaced........................................................2 1b. Postorbital pore absent; prickles widely scattered or absent.....................................................6 2a. Peritoneum gray, stomach gray............................... Careproctus rastrinus Gilbert & Burke (Sea of Okhotsk) 2b. Peritoneum pale, stomach dark or pale..................................................................... 3 3a. Stomach dark......................................................................................... 4 3b. Stomach pale......................................................................................... 5 4a. Orbit small, 4 to 6 times in head length; pelvic disc 50 to 80% of orbit length; body dark or pale........................ ........................................................ Careproctus trachysoma Gilbert & Burke (Sea of Japan ) 4b. Orbit large, 2.5 to 4 times in head length; pelvic disk 25 to 50% of orbit length; body pale............................................................................. Careproctus pellucidus Gilbert & Burke (Pacific Ocean, off Japan ) 5a. Lower lobe of pectoral fin long, longer than upper lobe, extending to anal-fin origin; body robust........................................... Careproctus scottae Chapman & DeLacy (Eastern Bering Sea, Aleutian Islands, and Gulf of Alaska) 5b. Lower lobe of pectoral-fin moderate, shorter than upper lobe, extending just beyond anus; body slender........................................................... Careproctus acanthodes Gilbert & Burke (Sea of Japan and Sea of Okhotsk) 6a. Orbit large, 3 times in head length; prickles absent........................ Careproctus spectrum Bean (Gulf of Alaska) 6b. Orbit not large, less than 3 times in head length; prickles present, widely spaced.................................... 7 7a. Body uniformly pale, pink to light orange, without scattered melanophores; dorsal-fin rays 56 or less, anal-fin rays 49 or less.................................................................... Careproctus phasma Gilbert (Bering Sea) 7b. Body pale, pink, light orange, to light gray, with scattered melanophores; dorsal-fin rays 56 or more; anal-fin rays 48 or more............................................. Careproctus lerikimae Orr, Kai & Nakabo , new species (Beaufort Sea)