Leite, R.D., Wosnick, N., Giareta, E.P. e Freire, C.A. 2020. EVIDENCE OF DYSTOCIA IN A FREE-RANGING COWNOSE RAY Rhinoptera bonasus (ELASMOBRANCHII, RHINOPTERIDAE). Boletim do Laboratório de Hidrobiologia. 30, 2 (ago. 2020). DOI:https://doi.org/10.18764/1981-6421e2020.13.