sanctipauli, Belonichthys Sauvage [H.-E.] 1879:45, Pl. 1 (fig. 1) [Archives de zoologie expérimentale et générale (Paris) v. 8; ref. 14281] St. Paul Island, southern Indian Ocean. Holotype (unique): whereabouts unknown. Originally as Sancti Pauli. •Synonym of Microphis fluviatilis (Peters 1852) -- (Dawson 1984:138 [ref. 5879], Dawson 1985:128 [ref. 6541], Dawson 1986:284 [ref. 6201], Haÿ et al. 2023:22 [ref. 40264]). Current status: Synonym of Microphis fluviatilis (Peters 1852). Syngnathidae: Nerophinae. Habitat: freshwater, brackish, marine.