Species that contain: Urocampus and rikuzenius [ 1 ] records

rikuzenius, Urocampus Jordan [D. S.] & Snyder [J. O.] 1901:10, Pl. 7 [Proceedings of the United States National Museum v. 24 (no. 1241); ref. 2510] Matsushima Bay, Japan. Holotype (unique): CAS-SU 6520. Type catalog: Böhlke 1953:62 [ref. 12291]. •Synonym of Urocampus nanus Günther 1870 -- (Dawson 1980:832 [ref. 6909], Dawson 1985:197 [ref. 6541], Choi et al. 2003:556 [ref. 26218], Araki & Motomura 2022:[13] [ref. 39296]). Current status: Synonym of Urocampus nanus Günther 1870. Syngnathidae: Syngnathinae. Habitat: brackish, marine.