Figure 5 in A critical revision of the churchill snoutfish, genus Petrocephalus Marcusen, 1854 (Actinopterygii: Teleostei: Mormyridae), from southern and eastern Africa, with the recognition of Petrocephalus tanensis, and the description of five new species

Figure 5. Principal component analysis for anatomy of Petrocephalus okavangensis sp. nov. (red triangles) from (A, B) Guma Lagoon (n = 45) and (C, D) Popa Rapids (n = 36), compared with (A, C) P. longicapitis sp. nov. from Upper Zambezi River (blue squares) and (B, D) P. magnoculis sp. nov. (blue squares). Upper panels, analyses on 13 characters (see Table 3), lower panels, analyses on 17 characters (see Table 1, with HL/Na and LSc/HL excluded). Prin1–Prin3, for Principal Components 1–3.