macrobrachium, Syngnathus Fritzsche [R. A.] 1980:207, Fig. 10A [Proceedings of the California Academy of Sciences (Series 4) v. 42 (no. 6); ref. 1511] Huasco, Chile, 28°28'S, 71°14'W. Holotype: USNM 176501. Paratypes: Estacíon de Biología Marina, Chile 10108-9 (2); IMARPE uncat. (2, 10); SIO 72-168 (2); UCLA W58-116 (3), W59-49 (1); USNM 213485 (4). •Valid as Syngnathus macrobrachium Fritzsche 1980 -- (Dawson 1985:188 [ref. 6541], Pequeño 1989:55 [ref. 14125], Kuiter 2009:254 [ref. 30404], Hamilton et al. 2016:Supplement 3 [ref. 35615], Garcia et al. 2019:[3] 1001 [ref. 38915]). Current status: Valid as Syngnathus macrobrachium Fritzsche 1980. Syngnathidae: Syngnathinae. Distribution: Southeastern Pacific: Peru south to central Chile. Habitat: marine.