Can Crested Geckos Eat Fireflies / Lightning Bugs?
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Lethal to reptiles generally — fireflies produce lucibufagins, defensive steroid toxins that cause rapid death if ingested. There is no safe amount. Never feed any wild-caught bioluminescent insect.
See the full feeder insects guide, or browse all 440 info pages.
Yes. Complete Crested Gecko Diet (CGD) — fruit/insect blend is a staple feeder for crested geckos. The single most important item on this list.
Yes. Repashy Crested Gecko Diet (MRP) is a staple feeder for crested geckos. One of the two most widely used CGD brands alongside Pangea.
Yes. Dubia Roaches is a supplement feeder for crested geckos. The best live feeder to offer alongside CGD for enrichment and hunting stimulation — not required nutritionally, but many keepers offer a few once or twice a week.
Yes. Crickets is a supplement feeder for crested geckos. Fine as an occasional enrichment feeder alongside a CGD-based diet, dusted with calcium if offered.
Yes. Black Soldier Fly Larvae (Phoenix Worm) is a supplement feeder for crested geckos. The best-balanced natural calcium source of the common feeders if offering live insects at all.
Yes. Mango (small pieces, occasional) is a treat feeder for crested geckos. Crested geckos are natural fruit-eaters in the wild, and a small piece of ripe mango or papaya can be offered as an occasional treat alongside — never instead of — a complete CGD diet, which already contains balanced fruit and nutrients.