Description of New Host Record of Genus Hysterothylacium Ward and Magath, 1917 from Siluridae Catfish Wallago attu of Indus River Sindh, Pakistan: Short Communication: Catfishes Wallago attu in Sindh, Pakistan. (2022). Biological Sciences - PJSIR, 65(2), 185-188. https://doi.org/10.52763.PJSIR.BIOL.SCI.65.2.2022.185.188