pauco, Rhonciscus Tavera [J. J.], Schärer-Umpierre [M. T.] & Acero P. [A.] 2022:7, Figs. 2-5 [PeerJ v. 10: e13502; ref. 39330] Tres Cerros, Rincón, Puerto Rico, 18.34433°N, 67.28343°W, depth 280 meters. Holotype: OMNH 86864. Paratype: UF 242681 (1). •Valid as Rhonciscus pauco Tavera, Schärer-Umpierre & Acero P. 2022. •Synonym of Rhonciscus approximans (Bean & Dresel 1884) -- (Marceniuk et al. 2024:10 [ref. 41669]). Current status: Synonym of Rhonciscus approximans (Bean & Dresel 1884). Haemulidae: Haemulinae. Habitat: marine.