Danichthys Bruun [A. F.] 1934:134 Masc. Exocoetus rondeletii Valenciennes 1847. Type by original designation (also monotypic). •Synonym of Prognichthys Breder 1928 -- (Parin 1960:258 [ref. 13299]). •Valid as Danichthys Bruun 1934 -- (Yoshino in Masuda et al. 1984:82 [ref. 6441]). •Synonym of Hirundichthys Breder 1928 -- (Parin 1973:265 [ref. 7191]). •Synonym of Hirundichthys Breder 1928, but a valid subgenus Danichthys -- (Heemstra & Parin 1986:394 [ref. 6293], Parin & Belyanina 2002:S24 [ref. 28438], Shakhovskoy & Parin 2013:117 [ref. 32656]). Current status: Synonym of Hirundichthys Breder 1928. Exocoetidae.