Author: Tamang & Sinha, 2014
Comments: Found in stream with clear, moderately flowing water.  Occurs syntopically with <i>Pseudolaguvia jiyaensis. Both <i>Pseudolaguvia jiyaensis and <i>Pseudolaguvia magna were collected along with species of <i>Psilorhynchus, <i>Barilius, and <i>Danio from the same collection locality in a microhabitat consisting of small to medium-sized stones, pebbles, cobbles with light green algae, and deposits of sand particles near banks (Ref. 98400).