tenuis, Atherinopsis Ayres [W. O.] 1860:75, Fig. 19 [Proceedings of the California Academy of Sciences (Series 1) v. 2; ref. 17942] San Francisco, California, U.S.A. Holotype (unique): whereabouts unknown. •Valid as Leuresthes tenuis (Ayres 1860) -- (Eschmeyer & Herald 1983:118 [ref. 9277], Swift et al. 1993:131 [ref. 22379], Lavenberg & Chernoff in Fischer et al. 1995:900 [ref. 22829], Dyer 1997:48 [ref. 23262], De La Cruz Agüero et al. 1997:63 [ref. 24545], Ruiz-Campos et al. 2000:70 [ref. 24940], Nelson et al. 2004:98 [ref. 27807], Love et al. 2005:63 [ref. 37547], Page et al. 2013:100 [ref. 32708], Kells et al. 2016:116 [ref. 35888], Burton & Lea 2019:54 [ref. 37205], Love et al. 2021:93 [ref. 39279]). Current status: Valid as Leuresthes tenuis (Ayres 1860). Atherinopsidae: Atherinopsinae. Distribution: Eastern Pacific: norhtern California (U.S.A.) south to Pacific coast of Baja California Sur (Mexico). Habitat: marine.