oxycephalus, Exocoetus Bleeker [P.] 1853:771 [Natuurkundig Tijdschrift voor Nederlandsch Indië v. 3 (no. 5); ref. 335] Jakarta, Java, Indonesia; Makassar, Sulawesi, Indonesia; New Guinea. Syntypes: (3) ?AMS I.58 (1) Macassar, BMNH 2012.11.8.3 (1) Bleeker Coll., MNHN B-0837 (1) Jakarta. •Valid as Cypselurus oxycephalus (Bleeker 1853) -- (Allen 2000:85 [ref. 37268]). •Valid as Hirundichthys oxycephalus (Bleeker 1853) subsepcies oxycephalus (Bleeker 1853) -- (Shakhovskoy 2018:49 [ref. 36429]). •Valid as Hirundichthys oxycephalus (Bleeker 1853) -- (Yoshino in Masuda et al. 1984:82 [ref. 6441], Paxton et al. 1989:334 [ref. 12442], Randall 1995:90 [ref. 22896], Parin 1996:306 [ref. 23179], Parin 1999:2177 [ref. 24786], Johnson 1999:724 [ref. 25471], Nakabo 2000:555 [ref. 25086], Parin in Randall & Lim 2000:600 [ref. 25122], Iwatsuki et al. 2000:97 [ref. 26368], Hutchins 2001:24 [ref. 25847], Kim et al. 2001:104 [ref. 25722], Nakabo 2002:555 [ref. 26001], Choi et al. 2003:221, 548 [ref. 26218], Manilo & Bogorodsky 2003:S100 [ref. 27377], Mundy 2005:289 [ref. 28379], Barman & Mishra 2006:21 [ref. 41388], Paxton et al. 2006:729 [ref. 29073], Kharin & Saveliev 2011:551 [ref. 32456], Shakhovskoy & Parin 2013:522 [ref. 32929], Parin et al. 2014:195 [ref. 33547], Fourriére et al. 2016:456 [ref. 34668], Koeda et al. 2016:14 [ref. 35333], Motomura et al. 2017:66 [ref. 35490], Shakhovskoy 2018:49 [ref. 36429], Fricke et al. 2019:78 [ref. 36673], Kim et al. 2020:79 [ref. 39118], Psomadakis et al. 2020:345 [ref. 37272], Sonoyama et al. 2020:40 [ref. 37637], Shakhovskoy & Bogorodsky 2021:383 [ref. 38589], Furuhashi & Motomura 2022:8 [ref. 39607]). Current status: Valid as Hirundichthys oxycephalus (Bleeker 1853). Exocoetidae. Distribution: Eastern Indian Ocean, western Pacific: Myanmar; Christmas Island and western Indonesia east to New Ireland (Papua New Guinea), north to Sea of Japan (Korea, Japan), south to Solomon Islands. IUCN (2024): Not Assessed. Habitat: marine.