Relations of P–A length (A), as % of head length (mm), and P–A length (B), head length (C), Pre-anal length (D), predorsal-fin length (E), and preanal-fin length (F) as % of standard length [mm] of Taenioides anguillaris and T. snyderi. Closed red circles: Taenioides snyderi (Taiwan); open red circles: T. snyderi (Japan); blue triangles: T. anguillaris (Japan). Data for T. anguillaris and T. snyderi from Koreeda and Motomura (2021) and Miyahira and Tachihara (2022).