Can bearded dragons eat firefly?
No: never feed this to a bearded dragon.
Fatal; the toxins in a single firefly can kill an adult dragon.
Also known as: fireflies, lightning bug, lightning bugs, glow worm, glowworm.
How often can bearded dragons eat firefly?
Not at all. There is no safe portion size for this one, so it does not belong in the bowl.How much depends on the animal’s age and weight rather than a fixed spoonful, the feeding chapter sets portions by weight and covers the supplement cycle that goes with them.
What to feed instead
These are staples, safe to build a daily salad around: dubia roach, discoid roach, red runner roach.
Checking something else? The full list answers 166 foods and insects the same way, and Lizzy will take the question in your own words. This is general guidance for a healthy adult dragon, not veterinary advice for a sick one.
Also “never feed”
Source: guide+vca. Reviewed 27 August 2026. General guidance for healthy adult bearded dragons, not veterinary advice for a sick animal.