The Minimum That Fits This Frog
A single adult White's tree frog belongs in a tall enclosure of at least 20 gallons, and an 18 by 18 by 24 inch tank is a practical shape for it. Despite the dumpy nickname this species carries, an adult is a big frog with real weight, and it spends its waking hours climbing, perching, and leaping between surfaces after dark. A low, wide aquarium wastes its volume on floor the frog barely uses. Height lets you stack perches at different levels so the frog can sit up near the warmth and light or drop to the cooler, damper base to soak and rest.
Perches Built for a Heavy Body
Furnish for weight, not delicacy. Thin decorative twigs that suit a dart frog will flex or snap under a White's tree frog, so choose smooth, thick branches and broad artificial or live leaves that hold the frog flat while it sleeps. Fix perches firmly across the tank at several heights, including one wide resting spot high up where this species likes to spend the day. Leave open glass and air space between levels: a heavy frog launching for a moth-sized meal needs a clear landing path, and crowded decor turns every night hunt into a series of thumps against branches.
The Soaking Bowl Is Part of the Habitat
White's tree frogs regulate moisture by sitting in water, so the enclosure must fit a bowl wide enough for the frog to settle its whole body into, with water kept shallow enough that it rests with its head comfortably above the surface. Place the bowl on the floor where the frog can reach it in one hop from a low perch, and change the water daily, because this frog will use its bath as a toilet. Use only dechlorinated water in the bowl and for misting; frog skin absorbs what it touches, and untreated tap water is a needless risk to put against it.
Lid, Airflow, and Night Behaviour
Fit a secure screen lid that still allows airflow. White's tree frogs are placid by day and busy all night, climbing the glass and testing the top corners, and an adult is strong enough to lift a loose lid. Keep the tank away from television glare and late household light where you can, since a frog whose dark hours stay bright feeds less eagerly. Feed in the evening, watch that the frog strikes cleanly and keeps its rounded shape, and be alert to skin redness, unusual lethargy in the active hours, or a frog that stops soaking and eating; those changes warrant a veterinarian familiar with amphibians.
One Frog, Then Decide About a Second
Resist buying two frogs for the starter tank. A pair needs a larger vertical enclosure with doubled perch space and a bigger bowl, or the bolder frog takes the best perch and the feeding station night after night. If you upgrade later, keep the original tank as your cleaning and quarantine space. However many frogs you keep, note the enclosure size and bulb and bowl routines where helpers can read them. KinsLe's Family Sharing holds those details in the frog's profile, so the whole household works from the same tank and soaking information.