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A Revision of the Antarctic Genus Racovitzia (Pisces, Bathydraconidae)
Hugh H. DeWitt
Vol. 1964, No. 3 (Sep. 10, 1964), pp. 496-506
Stable URL: http://www.jstor.org/stable/1441513
Page Count: 11
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Racovitzia harrissoni is considered a synonym of R. glacialis, and R. infuscipinnis sp. nov. is described from a single specimen collected in the southern Weddell Sea. Distinguishing characters of the latter species are: 6 branchiostegal rays; 31 or 32 pectoral fin rays; 47-50 tubular scales in upper lateral line. Both species probably live in offshore areas, R. infuscipinnis somewhat deeper, 796 m compared with 219-594 m for R. glacialis. The latter appears to inhabit only areas open to the southern ocean, and has been collected at isolated points nearly three-fourths of the way around the continent of Antarctica.