acusimilis, Syngnathus Günther [A.] 1873:380 [Annals and Magazine of Natural History (Series 4) v. 12 (no. 71); ref. 18198] Chefoo, Shantung Province, China. Syntypes: BMNH 1873.9.23.28-31 (4). •Valid as Syngnathus acusimilis Günther 1873 -- (Berg 1949:986 [ref. 20662], Reshetnikov et al. 1997:748 [ref. 24702], Savvaitova 1998:113 [ref. 23594], Bogutskaya & Naseka 2004:184 [ref. 28183]). •Synonym of Syngnathus schlegeli Kaup 1853 -- (Dawson 1985:189 [ref. 6541], Sokolovskaya et al. 1998:9 [ref. 24670], Kuiter 2009:252 [ref. 30404], Kottelat 2013:307 [ref. 32989], Parin et al. 2014:209 [ref. 33547], Dyldin & Orlov 2017:59 [ref. 35138]). Current status: Synonym of Syngnathus schlegeli Kaup 1853. Syngnathidae: Syngnathinae. Distribution: China and Russia. Habitat: freshwater.