Live Feeder Insects for Dart Frogs and Amphibians

Feeding Amphibians: The Right Insects for Frogs, Toads, and Salamanders

Amphibians have different feeding needs than reptiles. Dart frogs need tiny, almost microscopic prey. Pacman frogs eat large insects and even pinky mice. Tree frogs fall somewhere in between. What unites all insectivorous amphibians is the need for appropriately sized, nutritious, gut-loaded feeder insects — and the right choice depends heavily on your specific species.

This guide covers the best feeder insects for the most popular pet amphibians, with sizing recommendations and practical feeding tips.

Dart Frogs (Dendrobatidae)

Dart frogs are tiny, jewel-colored frogs that eat exclusively tiny invertebrates. In the wild, they consume ants, mites, springtails, and other micro-arthropods. In captivity, their primary feeders are:

Fruit Flies (Drosophila)

Flightless fruit flies are the staple feeder for dart frogs. Two species are commonly used:

• Drosophila melanogaster — smaller, ideal for froglets and smaller dart frog species (thumbnails, pumilio)
• Drosophila hydei — larger, suitable for adult dart frogs of most species (tinctorius, auratus, leucomelas)

Fruit flies should be dusted with a fine calcium and vitamin powder before offering. Cultures are easy to maintain at home and produce flies continuously for 3-4 weeks per culture.

Springtails (Collembola)

Springtails are tiny, jumping invertebrates that serve as both a supplemental feeder and a bioactive cleanup crew in naturalistic vivariums. They're smaller than fruit flies and provide excellent variety for dart frogs. Many dart frog keepers maintain springtail cultures alongside fruit fly cultures.

Bean Beetles (Callosobruchus maculatus)

Bean beetles are another micro-feeder option for dart frogs. They're slightly larger than melanogaster fruit flies and provide good nutritional variety. Cultures are maintained on black-eyed peas and produce beetles continuously.

Tiny Discoid Roach Nymphs

The smallest discoid roach nymphs — newly hatched, roughly fruit-fly-sized — can serve as a supplemental feeder for larger dart frog species (tinctorius, leucomelas). They provide significantly more protein per individual than fruit flies and add valuable dietary variety. Not all discoid nymph suppliers sell nymphs small enough for dart frogs, so confirm sizing before ordering.

Tree Frogs (Hylidae and others)

Tree frogs are arboreal insectivores that come in a wide range of sizes. Feeding requirements vary significantly by species.

White's Tree Frogs (Litoria caerulea)

White's tree frogs are large, robust tree frogs that eat enthusiastically. They readily accept:

• Medium discoid roach nymphs — excellent staple protein source, can't climb the glass walls
• Crickets — accepted but come with the usual downsides (smell, noise, biting risk)
• Hornworms — excellent for hydration, accepted eagerly
• Earthworms — natural prey, great occasional feeder

Feed adult White's tree frogs 3-5 appropriately sized insects every 2-3 days.

Red-Eyed Tree Frogs (Agalychnis callidryas)

Smaller and more delicate than White's, red-eyed tree frogs do best with:

• Small discoid roach nymphs — protein-rich, safe, ground-level feeding
• Small crickets — accepted but climb enclosure walls (annoying in arboreal setups)
• Fruit flies (D. hydei) — good for smaller individuals

Feed every 2-3 days, 3-5 insects per session.

Gray Tree Frogs, Green Tree Frogs, and Similar

Most medium-sized North American and tropical tree frogs eat small to medium discoid roach nymphs readily. The key advantage of roaches over crickets in arboreal setups is that roaches stay on the ground while crickets climb everywhere, stressing the frogs and making uneaten prey management difficult.

Pacman Frogs (Ceratophrys)

Pacman frogs are the garbage disposals of the frog world — they eat anything that moves and fits in their enormous mouths. They're ambush predators that sit and wait for prey to walk past.

• Large discoid roaches — excellent staple. The roach walks past the pacman, the pacman strikes. Simple, effective, nutritious.
• Hornworms — eagerly accepted, great hydration
• Earthworms/nightcrawlers — outstanding natural prey item for pacmans
• Superworms — occasional treat (high fat)

Feed adult pacman frogs 2-3 large roaches or equivalent prey items every 5-7 days. Pacman frogs are extremely prone to obesity — less is more with feeding frequency.

African Dwarf Frogs and Fire-Bellied Toads

Smaller aquatic and semi-aquatic amphibians have different needs:

• African dwarf frogs — aquatic feeders: bloodworms, brine shrimp, sinking pellets. Not typically fed roaches or crickets.
• Fire-bellied toads — small insects: small discoid roach nymphs, small crickets, fruit flies. Feed 3-5 small insects every 2-3 days.

Salamanders and Newts

Most terrestrial salamanders (tiger salamanders, fire salamanders) eat:

• Small to medium discoid roach nymphs — appropriate for larger salamander species
• Earthworms — the preferred natural food for most salamander species
• Waxworms — occasional treat

Aquatic salamanders and newts (axolotls, fire-bellied newts) primarily eat aquatic prey — bloodworms, brine shrimp, and sinking pellets — rather than terrestrial insects.

Why Discoid Roach Nymphs Work for Amphibians

Discoid roach nymphs have several advantages over crickets for amphibian feeding:

• Stay on the ground: Roach nymphs remain at substrate level where ground-dwelling and ambush-feeding amphibians hunt. Crickets jump and climb everywhere, often out of reach.
• Don't bite: Crickets bite amphibians, whose thin, permeable skin is more vulnerable to injury than reptile scales. Roach nymphs are completely harmless.
• Soft exoskeleton: Young roach nymphs have softer chitin than crickets, mealworms, or superworms — easier for amphibians to digest.
• No drowning risk: Roach nymphs placed in a terrarium won't seek out water features and drown, unlike crickets that frequently drown in water dishes and foul the water.
• No noise: Crickets chirping in an amphibian vivarium create constant stress. Roaches are silent.

Supplementation for Amphibians

Amphibians need calcium and vitamin supplementation just like reptiles:

• Every feeding: Lightly dust insects with calcium powder (with or without D3 depending on UV setup)
• Once weekly: Dust with a reptile/amphibian multivitamin

For dart frogs, supplement dusting is critical — their tiny prey items carry minimal inherent nutrition, making supplemental vitamins and calcium essential for preventing deficiencies.

Whether you keep dart frogs, tree frogs, pacman frogs, or salamanders, discoid roaches in the right size provide clean, nutritious, hassle-free feeding for your amphibians. Browse our small nymph and medium roach selections for perfectly sized amphibian feeders.

— Matt, Founder, All Angles Creatures