Rhonciscus pauco, the opalescent grunt,[1] is a species of deep-water grunt (fish) known only from Puerto Rico. The species was described based on specimens caught by fishermen in Puerto Rico's western coast, between the municipalities of Rincón and Mayagüez.[2][3][4]
^Jose Tavera, Michelle T. Schärer-Umpierre and Arturo Acero P. 2022. A New Species of Deep-sea Grunt, Rhonciscus pauco (Lutjaniformes: Haemulidae), from Puerto Rico. PeerJ. 10:e13502 . DOI: 10.7717/peerj.13502