K. S. R. P. Rao, D. G. V. P. Rao, Y. P. Rao, and P. N. Rao, “A NEW METHOD FOR RECORDING THE RESPIRATORY MOVEMENTS OF FISH”, Indian J. Fish., vol. 34, no. 4, pp. 472–476, Sep. 2011, Accessed: Jun. 19, 2026. [Online]. Available: https://epubs.icar.org.in/index.php/IJF/article/view/10823