. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Marine Hatchetfishes • Baird 91. -igure 68. Polyipnus indicus; after Schultz, 1961. which is lower than third; anal photophores in two distinct groups; jaws large; teeth small, several recurved ones in upper jaw; vomerine teeth well developed; gill rakers medium, spinose; in preservative pigment somewhat darker dorsally; pigment stri- lations present on tiimk. I Holotype: measurements (mm): SL , |BD , JL , CP ; meristics: GR jl9, D 14, A 15, anal photophores 7; name: from the Hawaiian "oluolu,&quo
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Marine Hatchetfishes • Baird 91. -igure 68. Polyipnus indicus; after Schultz, 1961. which is lower than third; anal photophores in two distinct groups; jaws large; teeth small, several recurved ones in upper jaw; vomerine teeth well developed; gill rakers medium, spinose; in preservative pigment somewhat darker dorsally; pigment stri- lations present on tiimk. I Holotype: measurements (mm): SL , |BD , JL , CP ; meristics: GR jl9, D 14, A 15, anal photophores 7; name: from the Hawaiian "oluolu," which means I happy. Distribution (Fig. 63). Known only from a single capture near the Marshall Islands. Polyipnus indicus Schultz Figure 68 Pohjipnus indicus Schultz, 1961: 645 (holotype BMNH; off Zanzibar; not seen; paratype USNM 179897; seen); 1964: 241. Pohjipnus nuttingi: Norman, 1939: 20. Species distinction. See P. ohioJiis (p. 90); differs from P. nuttingi by its longer, ^sharper post-temporal spines, less extended abdominal keel scales, less spinose ventral border of lower jaw, photophore character- istics,, presence of spiny subcaudal keel scales, generally lower gill raker number, and shorter post-temporal base-to-dorsal spine length compared to post-temporal spine length. Description. D. 13-14; A. 15-16 (17); P. (12) 13-14; total gill rakers 20-21 (22); vertebrae 33-34. Largest specimen less than 55 mm SL; trunk tapering to long caudal peduncle; post-temporal spine long, thin, its length greater than one-half the diameter of orbit; basal post-temporal spine short; preopercle spine long, curving anteriorly; frontal ridges minutely spinose; abdominal keel scales do not extend much below ventral body margin, these scales with multiple spines; subcaudal scales spinose; supra- abdominal photophores in steplike ar- rangement with first photophore raised substantially above second; supra-anal photophores not well separated from anals; jaws large; teeth minute; undersi
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