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Amazon Milk Frog

Trachycephalus resinifictrix

Intermediate Family Hylidae

A big, boldly-marbled arboreal frog with real presence.

An Amazon milk frog secreting its milky substance, joking that the 'milk' means 'please stop.' The point: milk frogs exude a milky defensive secretion when stressed or handled, so they are look-don't-handle.
An Amazon milk frog's 'milk' is a defensive secretion it releases when stressed — a sign to stop, not a feature. Like most amphibians, it's look-don't-handle.

✅ We have a full, fact-checked care sheet for the Amazon Milk Frog.

Open the Amazon Milk Frog care sheet →

📋 At a glance

Tank
Tall arboreal 18×18×24 in / 29 gal (2–4), branches + plants
Temp
75–82°F day, cooler at night
Humidity
50–70% for adults WITH ventilation (young 70–80%)
Food
Gut-loaded, calcium-dusted crickets + roaches
Lifespan
5–10 years

✅ Big, bold and vocal — an impressive, relatively hardy step up from a White’s tree frog.

🛒 Before you buy

  • A TALL vivarium with sturdy branches and broad-leaved plants
  • A large water dish + a mister/hygrometer
  • Good ventilation — a half-screen top (stagnant air harms them)
  • Calcium + D3 supplement

A healthy one: Large (3–5 in) · plump but not obese · clear eyes · smooth marbled skin · active and calling at night.

🚨 See a vet / act now if…

  • Red or irritated skin (bacterial infection)
  • Not eating, or weight loss
  • Bloating, or sitting listless by day
  • Gasping or laboured breathing

⛔ Never

  • Stagnant air with no ventilation
  • Heat above ~85°F
  • A small or short tank

Common amazon milk frog questions

How hard are Amazon Milk Frogs to keep — are they good for beginners?

Intermediate. A big, hardy arboreal frog — just give it height, ventilation and space.

What do Amazon Milk Frogs eat?

Gut-loaded, calcium-dusted crickets + roaches

What size tank do Amazon Milk Frogs need?

Tall arboreal 18×18×24 in / 29 gal (2–4), branches + plants

What temperature do Amazon Milk Frogs need?

75–82°F day, cooler at night

What humidity do Amazon Milk Frogs need?

50–70% for adults WITH ventilation (young 70–80%)

How long do Amazon Milk Frogs live?

5–10 years

What are the signs Amazon Milk Frogs are sick?

See an exotics vet if you notice: Red or irritated skin (bacterial infection); Not eating, or weight loss; Bloating, or sitting listless by day; Gasping or laboured breathing.

🧠 Myths, kindly busted

Common myths about the amazon milk frog and its relatives, gently corrected — each one checked against a named source, never a pet-shop rumour.

“Amazon milk frogs are dangerously poisonous.”Mostly false

Not dangerously. When threatened, a milk frog oozes a sticky white secretion that is poisonous to predators, though "not as poisonous as other frog toxins." Vets warn that some frog secretions irritate eyes, mouths and cuts, so keep it away from yours, limit handling and wash your hands afterwards. — Sacramento Zoo · Smithsonian's National Zoo · PetMD (vet-reviewed)

“My milk frog can share a tank with a different species, like a White's tree frog.”False

Keep them apart. Vets writing for PetMD say never to house different amphibian or reptile species together, and zoo biosecurity manuals keep species in separate tanks, warning that mixing amphibians from different regions, like South American milk frogs and Australian White's tree frogs, brings infectious-disease risks. — PetMD (Maria Zayas, DVM) · AZA Amphibian Husbandry Resource Guide · IUCN/SSC Amphibian Disease Manual

“Tree frogs are easy, low-maintenance starter pets.”

They are rewarding, but they do take real work: daily misting to hold humidity, regular cleaning, and a steady supply of live insects. Wonderful once set up — just not effortless. — Avian & Exotic Animal Hospital (Dr. Gregory Rich, DVM)

“You can handle a tree frog like a hamster.”

A frog's skin is delicate and permeable, so oils, salts and soap on our hands can harm it. Handle only when needed, with moistened, powder-free gloves or clean, wet hands — it is very much a look-don't-hold pet. — PetMD (Maria Zayas, DVM)

“A tree frog can live in a small, flat tank.”

Tree frogs are arboreal climbers that need a tall enclosure with branches and plants to climb, not just floor space. Giving them height lets them behave naturally. — Agriculture Victoria — Code of Practice for Amphibians in Captivity

🐸 Did you know? — Amazon Milk Frog fun facts

Little true delights about the amazon milk frog — each one checked against a named source, no old-wives' trivia.

More amphibian fun facts →

Free tools for the amazon milk frog

Calm, honest help — each one knows when to say "see a vet."

📚 More tree frogs guides

🎓 Ready to go deeper?

Past the basics — genetics & morphs, responsible breeding, tankmates, and advanced setups. Same plain voice, no ceiling:

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