Palazón-Fernández, J. L., Arias, A. M., & Sarasquete, C. (2001). Aspects of the reproductive biology of the toadfish, Halobatrachus didactylus (Schneider, 1801) (Pisces: Batrachoididae). Scientia Marina, 65(2), 131–138. https://doi.org/10.3989/scimar.2001.65n2131