3 FIELDIANA . ZOOLOGY Published hy CHICAGO NATURAL HISTORY MUSEUM Volume 39 September 22, 1958 No. 16 DESCRIPTIONS OF ABYSSAL BENTHIC FISHES FROM THE GULF OF MEXICO Marion Grey Associate, Division of Fishes The fishes reported here were all caught in a single bottom haul made by the personnel of the United States Fish and Wildlife Service research vessel Oregon in the Gulf of Mexico at Station 1303, 28° 47' N., 87° 50' W., May 26, 1955, in 1150-1200 fathoms (2104-2194 meters). Some of the specimens have been reported but not described (Grey, 1956). The collection consists of 72 specimens belonging to 7 fam-ilies, 14 genera, and 17 species. Eleven of the species, including two new forms, have not been known previously from the Gulf of Mexico and of these, seven were also unknown from the western Atlantic. Two of the genera are recorded from the western Atlantic for the first time, Grimatroctes Parr and Narcetes Alcock. HolotjTDes are deposited in the United States National Museum, other specimens in Chicago Natural History Museum. Family ALEPOCEPHALIDAE Alepocephalus productus Gill Alepocephalus productus Gill, 1883, Proc. U. S. Nat. Mus., 6: 256; Grey, 1956, Fieldiana, Zool., 36: 104 (complete synonymy). One specimen, standard length 360 mm. Description. — Dorsal rays 16; anal 17; pectoral 11; ventral 7. Lateral scale count ca. 70. The following measurements are in mil-limeters, the figures in parentheses representing the per cent of the standard length: Greatest depth 75? (20.8?); length of head 122 (33.9); snout 33 (9.16); orbit 27.5 (7.65); interorbital width 19.5 (5.42); tip of snout to ventral base ca. 187 (ca. 52.0), to dorsal origin ca. 255 (ca. 71.0), to ar^o|igin da. 257.5 (ca. 71.5); end of anal to Library of C(»i^i^«fcria(^VaW "fhintfeer; 58-1SSj^6 ;ilU;tCl3 .'NATURAL LibRAKY 1 n ^nco
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