Squalus japonicus: lateral (A–C) and ventral (D, E) views; first (F) and second (G) dorsal fins; pectoral (H) and caudal (I) fins. NSMT-P 44380 (neotype), adult male, 645 mm TL (A, D, F–I); HUMZ 189738, adult male, 535 mm TL (B); HUMZ 189687, juvenile male, 380 mm TL (C, E). Scale bars: 50 mm (A–E); 20 mm (F–I).

  Part of: Viana STFL, Carvalho MR (2020) Squalus shiraii sp. nov. (Squaliformes, Squalidae), a new species of dogfish shark from Japan with regional nominal species revisited. Zoosystematics and Evolution 96(2): 275-311. https://doi.org/10.3897/zse.96.51962