A dart frog vivarium is a small piece of rainforest floor that has to stay wet, stay cool, and never dry out. Get that right and dart frogs are among the most rewarding animals in the hobby: day-active, brilliantly coloured, and — when captive bred — completely harmless.
Quick answer
- Temperature 72–80°F. Sustained heat above the mid-80s is dangerous and is the most common way a captive dart frog dies.
- Humidity high and constant, with a planted, bioactive enclosure holding it rather than a misting schedule alone.
- No basking lamp. Low-level UVB is beneficial but they are forest-floor animals, not baskers.
- Diet is flightless fruit flies plus springtails, dusted with a quality vitamin and mineral supplement.
- Captive-bred dart frogs are not toxic. The alkaloids come from a wild diet they never encounter in captivity.
- Long-lived — well over a decade is normal.
The enclosure
| Element | Detail |
|---|---|
| Size | 18×18×18 inches suits a pair or trio of most species. Floor space matters more than height for terrestrial species |
| Drainage layer | Clay balls or a purpose-made false bottom under a mesh barrier, so the substrate never sits in standing water |
| Substrate | A bioactive soil mix that holds moisture without going anaerobic |
| Leaf litter | A thick surface layer. This is where the frogs hunt, where springtails breed, and where humidity is held |
| Planting | Bromeliads, pothos, ferns, moss. Broken sightlines let multiple frogs share a space |
| Ventilation | Enough to prevent stagnation, not so much that the enclosure dries out |
| Temperature | 72–80°F. No heat mat, no basking bulb |
The bark, wood and leaf litter side of the build is in terrarium supplies. A working cleanup crew is not optional in a permanently damp enclosure — isopods and springtails process waste and double as supplemental food the frogs hunt between feeds.
Heat is the thing that kills them
Dart frogs come from shaded forest floor, not open sun. A room that gets into the high 80s in summer is a genuine problem to solve before you buy, not after. The failure is quiet: the frog goes off food, sits still, and by the time it looks wrong it is often too late.
Cooling matters more than heating for this family. Enclosure placement away from windows, a cooler room, and air conditioning in summer are the real husbandry equipment here.
Feeding
Flightless fruit flies are the staple, offered every day or two for adults and daily for growing frogs. Culture your own or buy in — either way, keep two cultures running at different ages so a crash never leaves you without food.
Dust with a quality dart frog vitamin and mineral supplement at most feedings. This is not optional: the commonest nutritional problem in captive dart frogs is a supplement regime that lapsed. A resident springtail population in the leaf litter gives the frogs constant background foraging and covers the gaps.
Toxicity, honestly
Captive-bred dart frogs are harmless. They do not manufacture their alkaloids — they sequester them from a specialised wild diet of mites, ants and other small arthropods. A frog raised on fruit flies has never had access to those compounds and never becomes toxic. We go through the science in why poison dart frogs are not poisonous in captivity, the species question in are blue poison dart frogs poisonous to humans, and skin contact specifically in what happens if you touch a poison dart frog.
That said, handle them rarely and briefly if at all. Amphibian skin is permeable and absorbs oils, salts and residues from human hands. Dart frogs are display animals, and the reason is the frog’s welfare rather than yours.
Groups, or not
It depends on the species, and it is worth knowing before you buy three of something. Dendrobates leucomelas and D. auratus are generally tolerant of one another and do well as small groups. D. tinctorius, including the Azureus, has territorial females — a group needs real space and broken sightlines, and a single frog is a perfectly good outcome.
Juveniles cannot be sexed externally, which is why we sell frogs as 1 Count, 2 Count and 3 Count rather than as pairs.
Where to start
If this is your first dart frog, start with leucomelas or auratus in an established, well-planted vivarium — and let the enclosure run for several weeks with the cleanup crew in it before the frogs arrive. Our current range is under dart frogs for sale, all captive bred, and everything ships under our live arrival guarantee. How we label provenance across the catalogue is in about Terrarium Station.
Common questions
What temperature do dart frogs need?
Between about 72 and 80°F. They do not bask and need no heat lamp, and sustained temperatures above the mid-80s are dangerous for the whole family.
Are pet dart frogs poisonous?
No. Captive-bred dart frogs never acquire the dietary alkaloids that make wild frogs toxic, because those compounds come from wild arthropod prey they are never fed.
What do dart frogs eat?
Flightless fruit flies as the staple, supplemented with springtails and other micro-feeders, dusted with a quality vitamin and mineral supplement at most feedings.
How big a vivarium do dart frogs need?
An 18×18×18 inch planted, bioactive enclosure suits a pair or small group of most commonly kept species, with a drainage layer and a thick leaf litter surface.
How long do dart frogs live?
Well over a decade with good husbandry, and often considerably longer. They are a long-term commitment rather than a starter animal.