dipus, Microdesmus Günther [A.] 1864:26, Pl. 3 (fig. 2) [Proceedings of the Zoological Society of London 1864 (pt 1) (art. 4) (for 26 Jan. 1864); ref. 5752] Pacific coast of Panama. Holotype (unique): BMNH 1863.12.16.44 (poor condition). Also appeared in Günther 1864:231 [ref. 1976]. •Valid as Microdesmus dipus Günther 1864 -- (Dawson 1968:513 [ref. 7884], Allen & Robertson 1994:270 [ref. 22193], Grove & Lavenberg 1997:561 [ref. 24023] [but see McCosker 1998:810 [ref. 24025]], Castro-Aguirre et al. 1999:453 [ref. 24550], Hastings & Springer 2002:544 [ref. 26375], Nelson et al. 2004:174 [ref. 27807], McCosker & Rosenblatt 2010:194 [ref. 30957], Van Tassell 2011:146 [ref. 31732], Page et al. 2013:179 [ref. 32708], Galván-Villa et al. 2016:149 [ref. 34871], Parenti 2021:384 [ref. 38603], Grove et al. 2022:18 [ref. 41326], Page et al. 2023:125 [ref. 40505]). Current status: Valid as Microdesmus dipus Günther 1864. Gobiidae: Microdesminae. Distribution: Eastern Pacific: Mexico south to Panama, including southern Gulf of California (Mexico) and Galapagos Islands (Ecuador). IUCN (2010): Data Deficient. Habitat: brackish, marine.