persimilis, Fundulus Miller [R. R.] 1955:13, Pl. 1 [Occasional Papers of the Museum of Zoology University of Michigan No. 568; ref. 10414] Río Lagartos, near the settlement of Lagartos, at the tip of Yucatán, Mexico, 21°35'N, 88°10'W. Holotype: UMMZ 163094. Paratypes: UMMZ 162303 (2), 163095 (30). •Valid as Fundulus persimilis Miller 1955 -- (Wildekamp 1996:290 [ref. 23649], McEachran & Fechhelm 1998:914 [ref. 23897], Castro-Aguirre et al. 1999:219 [ref. 24550], Lazara 2001:159 [ref. 25711], Wiley & Ghedotti 2003:1150 [ref. 27020], Nelson et al. 2004:102 [ref. 27807], Miller 2006:314 [ref. 28615], García-Ramírez et al. 2007:14 [ref. 29345], Scharpf 2007:12 [ref. 30398], García-Hernández et al. 2009:92 [ref. 37265], Ghedotti & Davis 2013:58 [ref. 32490] in subgenus Fundulus, Page et al. 2013:106 [ref. 32708], Lozano-Vilano & De la Maza-Benignos 2016:11 [ref. 35401], Page et al. 2023:141 [ref. 40505]). Current status: Valid as Fundulus persimilis Miller 1955. Fundulidae. Distribution: Western Atlantic: Yucatán (Mexico) endemic. Habitat: brackish, marine.