Akihito Watson [R. E.], Keith [P.] & Marquet [G.] 2007:342 Masc. Akihito vanuatu Watson, Keith & Marquet 2007. Type by original designation (also monotypic). •Questionably a synonym of Sicyopus Gill 1863 -- (Kottelat 2013:429 [ref. 32989]). •Valid as Akihito Watson, Keith & Marquet 2007 -- (Keith et al. 2008:471 [ref. 29500], Keith et al. 2009:476 [ref. 30474], Keith et al. 2011:312 [ref. 31023], Keith & Lord 2011:126 [ref. 31730], Keith & Lord 2011:244 [ref. 31741], Keith et al. 2015:30 [ref. 34328], Parenti 2021:422 [ref. 38603]). Current status: Valid as Akihito Watson, Keith & Marquet 2007. Oxudercidae: Sicydiinae.