To cite this article: Hossain, M.A., Hossain, M.A., Hasan, A.K.M.M., Das, B., Mian, S., Iqbal, M.M., 2021. Observation of embryonic and larval developmental stages in endangered Nona Tengra (Mystus gulio) induced with S-GnRHa. Punjab Univ. J. Zool., 36(1): 91-99. https://dx.doi.org/10.17582/journal.pujz/2021.36.1.91.99