vivax, Ammocrypta Hay [O. P.] 1882:58 [Bulletin of the U. S. Fish Commission v. 2 (for 1882); ref. 2054] Pearl River at Jackson, Mississippi, U.S.A. Holotype (unique): USNM 32213. Type catalog: Collette & Knapp 1967:12 [ref. 20211]. •Valid as Etheostoma vivax (Hay 1882) -- (Page & Burr 1991:290 [ref. 18983], Boschung 1992:121 [ref. 23239]). •Valid as Ammocrypta vivax Hay 1882 -- (Lee et al. 1980:621 [ref. 22416], Kuehne & Barbour 1983:64 [ref. 38055], Page 1983:53 [ref. 22189], Robison & Buchanan 1988:408 [ref. 23393], Etnier & Starnes 1993:446 [ref. 22809], Ross et al. 2001:454 [ref. 25978], Nelson et al. 2004:132 [ref. 27807], Miller & Robison 2004:336 [ref. 27931], Boschung & Mayden 2004:483 [ref. 27995] with date as 1883, Scharpf 2008:19 [ref. 30399], Page & Burr 2011:536 [ref. 31215], Page et al. 2013:136 [ref. 32708], Stephens et al. 2014:544 [ref. 33552], Bagley et al. 2023:320 [ref. 41241], Page et al. 2023:198 [ref. 40505]). Current status: Valid as Ammocrypta vivax Hay 1882. Percidae: Etheostomatinae. Distribution: North America: Kentucky, Missouri to Alabama and Texas (south-central U.S.A.). Habitat: freshwater.