Caires, R.A., Pichler, H.A., Spach, H.L. and Ignácio, J.M. 2007. Opsanus brasiliensis Rotundo, Spinelli & Zavalla-Camin, 2005 (Teleostei: Batrachoidiformes: Batrachoididae), a junior synonym of Opsanus beta (Goode & Bean, 1880), with notes on its occurrence in the Brazilian coast. Biota Neotropica. 7, 2 (Jan. 2007).