First record of Genus Parabathymyrus Kamohara, 1938 (Anguilliformes: Congridae) from Eastern Indian Ocean Author Ray, Dipanjan Bajkul Milani Mahavidyalaya, Kismat Bajkul, Purba Medinipur, Bajkul - 721655, West Bengal, India Author Mohapatra, Anil Estuarine Biology Regional Centre, Zoological Survey of India, Gopalpur-on-Sea, Ganjam, Odisha - 761002, India; Email: anil 2 k 7 @ gmail. com Author Smith, David G. Smithsonian Institution, Museum Support Center, 4210 Silver Hill Rd., Suitland MD 2076, United States Author Mishra, Subhrendu Sekhar Marine Fish Section, Zoological Survey of India, Kolkata - 700 016, India text Records of the Zoological Survey of India 2020 2020-03-31 120 1 55 58 journal article 10.26515/rzsi/v120/i1/2020/144630 2581-8686 10956153 Parabathymyrus macrophthalmus Kamohara, 1938 1938 . Parabathymyrus macrophthalmus Kamohara, On the offshore bottom-fishes of Prov. Tosa: 14. Type locality: Mimase , Kochi Prefecture , Japan . Description Small, stout fish with elongated (246 mms SL.) scale less body, more compressed on tail region. Head 19.1 % of TL and 1.9 in trunk; body depth at dorsal-fin origin 6.3% of TL and at anus 5.16% of TL. Trunk and tail long; head and trunk cylindrical, but posterior half tapering; trunk 22.7% of TL. Snout short and obtuse, 12.8% of HL; eye larger than snout, reaching up to the rictus, eye 17% of head length; interorbital space wide. Tube like anterior nostril present in front of snout and posterior nostril large, dorsally covered by a flap and located below mideye level, just above the upper jaw. Gill opening high, in front of welldeveloped pectoral-fin; upper end of gill opening at middle of pectoral-fin base. Dorsal-fin origin above the pectoral fin base; predorsal length 19.9% of TL; preanal length 43.4% of TL. Fin rays of dorsal and anal fin unsegmented. Figure 1. Parabathymyrus macrophthalmus Kamohara, 1938 . Mouth large, open obliquely; upper labial flange developed; a deep fold on lower jaw; upper jaw larger than lower jaw; rictus reaches up to posterior one third of orbit; tongue free anteriorly. Pectoral fin narrow, 48.2% of HL. Dorsal and anal fin continuous with caudal fin. Teeth small and villiform; anterior part of intermaxilla with round patch of 4 rows of teeth; vomerine teeth in small, triangular patch; jaw teeth in 5 rows anteriorly and two rows in posteriorly. Supraorbital pores: 4; infraorbital pores: 5; mandibular pores: 6; preopercular pores: 4 (POM:10). Lateral line pores -prepectoral: 9; predorsal:11; preanal: 40; total:125. Vertebrae: predorsal: 12; preanal: 39; total: 130. Colour: Light pink dorsally; pale ventrally; lateral line pores whitish; dorsal and anal fin margin dark. Small dark dermal flaps on interorbital space. Distribution: Western Pacific: Off Japan , Taiwan , Hainan, Vietnam , Australia ( Ho et al., 2015 ). Present study forms the first report of this genus from Indian Ocean, east coast of India .