approximans, Polynemus Lay [G. T.] & Bennett [E. T.] 1839:57 [The zoology of Captain Beechey's voyage; ref. 2730] San Blas and Mazatlán, western Mexico. Holotype (unique): not preserved. Based on a sketch and a brief description by Mr. Collie. See Motomura et al. 2002:362 [ref. 26500] for remarks about type specimens. •Valid as Polydactylus approximans (Lay & Bennett 1839) -- (Ovchynnyk 1967:41 [ref. 37559], Eschmeyer & Herald 1983:235 [ref. 9277], Pequeño 1989:63 [ref. 14125], Allen & Robertson 1994:195 [ref. 22193], Bussing & López S. 1994:138 [ref. 23101], Schneider in Fischer et al. 1995:1386 [ref. 22830], Grove & Lavenberg 1997:467 [ref. 24023], Chirichigno F. & Vélez D. 1998:192 [ref. 24555], Castro-Aguirre et al. 1999:353 [ref. 24550], Lea & Rosenblatt 2000:125 [ref. 25206], Motomura et al. 2001:301 [ref. 25548], Motomura et al. 2002:359 [ref. 26500], Motomura 2004:5 [ref. 27601], Nelson et al. 2004:146 [ref. 27807], Motomura 2004:44 [ref. 27970], Motomura 2004:44 [ref. 27970], Love et al. 2005:126 [ref. 37547], McCosker & Rosenblatt 2010:192 [ref. 30957], Page et al. 2013:150 [ref. 32708], Barriga Salazar 2014:118 [ref. 35745], Galván-Villa et al. 2016:147 [ref. 34871], Kells et al. 2016:248 [ref. 35888], Kang et al. 2017:[2] [ref. 35524], Romero-Berny et al. 2018:91 [ref. 35859], Burton & Lea 2019:76 [ref. 37205], González-Murcia et al. 2019:305 [ref. 36544], Angulo et al. 2020:8 [ref. 37425], Angulo 2021:7 [ref. 38913], Love et al. 2021:164 [ref. 39279], Angulo et al. 2023:41 [ref. 40676], Siccha-Ramirez et al. 2023:365 [ref. 40816], Vela-Espinosa et al. 2023:7 [ref. 40981]). Current status: Valid as Polydactylus approximans (Lay & Bennett 1839). Polynemidae. Distribution: Eastern Pacific: central California (U.S.A.) south to Chile, including Gulf of California (Mexico) and Galapagos Islands (Ecuador). Habitat: brackish, marine.