socotranus, Exococtus Steindachner [F.] 1902:318 [Anzeiger der Kaiserlichen Akademie der Wissenschaften, Wien, Mathematisch-Naturwissenschaftliche Classe v. 39 (no. 24) (art. 76); ref. 14894] Between Abdal Kuri and Socotra Island, Yemen. Holotype (unique): NMW 84634. Original description with misspelling as above, later changed to "Exocoetus socotranus n. sp. (?) an E. brachysoma Blkr.?" and described in detail in Steindachner 1903:155 [ref. 15046]. •Valid as Hirundichthys socotranus (Steindachner 1902) -- (Dor 1984:61 [ref. 29757], Goren & Dor 1994:15 [ref. 25356], Golani & Bogorodsky 2010:62 [ref. 35264] uncertain status). •Synonym of Cypselurus naresii (Günther 1889) -- (Shakhovskoy & Bogorodsky 2021:380 [ref. 38589]). •Synonym of Cypselurus naresii (Günther 1889), but a valid subspecies as described -- (Shakhovskoy & Parin 2024:70 [ref. 41246]). Current status: Synonym of Cypselurus naresii (Günther 1889). Exocoetidae. Distribution: Northwestern Indian Ocean: Gulf of Aden and Socotra, southern Red Sea [this subspecies]. Habitat: marine.