• [Wiki] https://en.wikipedia.org/wiki/Sciades_proops.
• [fishbase] https://www.fishbase.se/summary/Sciades-proops.html.
• [AzevCast2010] de Jesus Azevedo, J. W., de Castro, A. C. L., Porto, H. L. R., and Lima, P. R. S. (2010). Size and age at first maturity of the crucifix sea catfish, Sciades proops (Valenciennes, 1840) (Siluriformes: Ariidae), caught off western Maranhão State, Brazil. Arq. Ciên. Mar, Fortaleza, 43(2):96--102.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.
• [LecoMeun1989] Lecomte, F., Meunier, F. J., and Rojas-Beltran, R. (1989). Some data on the growth of Arius proops (Ariidae, Siluriforme) in the estuaries of French Guyana. Aquat. Living Resour., 2:63--68.