Vartak VR, Bhatkar VR, Bondre RD, Balsare SG. Effect of water hardness on growth and survival of fry of angelfish, Pterophyllum scalare (Lichtenstein, 1823). Indian J. Fish. [Internet]. 2011 Jun. 20 [cited 2026 Jun. 19];54(4):397-402. Available from: https://epubs.icar.org.in/index.php/IJF/article/view/6968