acicularis, Syngnathus Jenyns [L.] 1842:147, Pl. 27 (fig. 3) [The zoology of the voyage of H. M. S. Beagle; ref. 2344] Valparaíso, Chile. Holotype (unique): BMNH 1917.7.14.28. •Valid as Syngnathus acicularis Jenyns 1842 -- (Chirichigno F. & Vélez D. 1998:102 [ref. 24555], Valenzuela et al. 2023:95 [ref. 40815]). •Synonym of Leptonotus blainvilleanus (Eydoux & Gervais 1837) -- (Fritzsche 1980:190 [ref. 1511], Dawson 1982:41 [ref. 6764], Dawson 1985:112 [ref. 6541], Luzzatto & Estalles 2019:8 [ref. 36805]). Current status: Synonym of Leptonotus blainvilleanus (Eydoux & Gervais 1837). Syngnathidae: Syngnathinae. Habitat: brackish, marine.