There remains a lot to be learned about the morphology and particularly the behavioral ecology of microhylid
tadpoles. For example, tadpoles of Glyphoglossus from Thailand (USNM 206392-206394) are larger at a given
stage than the specimens we examined, and the gut, with a wider, flatter gut coil, is filled with soil. The tadpoles we
collected were never far off the bottom in relatively deep, turbid water, and Glyphoglossus tadpoles may feed
differently than most other microhylids that are assumed to be midwater suspension feeders.