PROCEEDINGS OF THE CALIFORNIA ACADEMY OF SCIENCES FOURTH SERIES Vol. XXXIX, No. 4, pp. 47-53; 2 figs.; 1 table April 6, 1972 A NEW SPECIES OF THE SCORPIONFISH GENUS HELICOLENUS FROM THE NORTH PACIFIC OCEAN 1 By Tokiharu Abe Tokai Regional Fisheries Research Laboratory, Ministry of Agriculture and Forestry, Katchidoki 5-5-1, Kyobashi P. O., Tokyo 104, and Zoological Institute, Faculty of Science, University of Tokyo, Hongo, Tokyo 113, Japan and William N. Eschmeyer California Academy of Sciences, Golden Gate Park, San Francisco, California, U.S.A. 94118 Abstract: Helicolenus avius is described as a new species in the fish family Scor-paenidae, subfamily Sebastinae. The type locality is the northwestern Pacific Ocean between Japan and Midway Island at the southern end of the Emperor Seamount Chain, 32°40'N., 172°17'E. to 35°05'N., 171°46'E., at a depth between 450 and 600 meters. A description and 2 figures are provided. Remarks on the genus Helicolenus are given. Introduction In the summer of 1970, around 21 and 22 August, the Japanese vessel Daini-Oriento Mam of the Tokusui Company, Ltd., was conducting night-time trawling operations for Beryx spendens at the Emperor Seamount Chain between Japan and the Hawaiian Islands. At several stations a total of more than 250 kg. of specimens of a new scorpionfish of the genus Helicolenus was captured. The genus Helicolenus is virtually worldwide in distribution, containing temperate and tropi-1 Contribution no. B552 from the Tokai Regional Fisheries Research Laboratory, Tokyo. Supported in part by U. S. National Science Foundation Grant GB-15811. [47]
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