All Angles Creatures

Care guide

Can Fire-Bellied Toads Eat Superworms?

By Matt Goren2 min read

Can a Fire-Bellied Toad Eat Superworms?

No — superworms are not appropriate for a fire-bellied toad.

Superworms (Zophobas morio) are roughly 20% protein and 18% fat, and they reach about two inches — considerably larger than a mealworm. That size and that fat content are why animals love them.

The number that decides how they should be used is calcium. Superworms carry around 100 mg/kg of calcium. Black soldier fly larvae carry about 9,340 mg/kg — roughly ninety times more. A superworm is a rich, filling feeder that supplies almost no calcium at all, which is why dusting is not a refinement here. It is the whole point.

How Many, and How Often

None — too large and too hard-shelled.

The Risk That Matters for a Fire-Bellied Toad

A superworm is a substantial, tough-bodied insect and a fire-bellied toad is a small amphibian. Size settles this before nutrition enters it.

What to Feed Instead

The staple should be small crickets and discoid roach nymphs. Superworms are a supplement to a diet, not the diet.

More detail in the complete superworm guide.