cannabalism?

[DonLisk]

You frogs will eat anything that fits into its mouth. Usually you may find some parenting traits in some adult frogs but once they are meal size, the other adults are going to find them a simple meal.

As stated, I would separate them until they are closer in size.

[velvety14u]

They are close in size but I did move this froglet into a different group....I have them separated in groups of 7-8 in vertical 10 gallons that are planted. And the froglet that ate his homie seems perfectly normal so far. Will keep a close watch on him. They all eat very well I feed them 20-30 crickets (1/4) size daily.