Description
Other Names (How it Got Its Names)
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Common names: Vanzolini’s Poison Dart Frog, R. vanzolinii.
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Named after Brazilian zoologist and composer Paulo Emílio Vanzolini.
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Part of the Ranitomeya genus, known for small, brightly colored dart frogs with parental care behaviors.
Characteristics
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Small and delicate frog with bold black, yellow, and sometimes orange markings.
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Known for unique parental care: males transport tadpoles, and females feed them with unfertilized eggs.
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Considered one of the rarer and more sought-after Ranitomeya species.
Recommended Vivarium Size
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Minimum: 18” x 18” x 18” for a pair or trio.
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Taller enclosures (24” high or more) with bromeliads and climbing space are ideal.
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Provide dense live planting, cork, and plenty of leaf litter.
Temperature
Humidity
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80–100%, maintained with frequent misting.
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Bromeliads or water-holding plants are essential for tadpole care.
Size of Frog
Life Span
Feeding
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Diet: small insects — Drosophila melanogaster and D. hydei fruit flies, springtails, and isopods.
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Feed daily; dust prey with calcium and multivitamins several times weekly.
Color/Pattern
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Striking black base with bright yellow or orange dorsal markings.
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Limbs are typically blue to turquoise with black reticulations.
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High contrast pattern makes them visually stunning.
Social Behavior
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Best housed in pairs or trios; larger groups can become stressed or aggressive.
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Known for cooperative parental care within pairs.
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Males may call with a soft buzzing trill.
How to Determine Sex
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Males: smaller, slimmer, develop calling behavior.
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Females: larger, fuller-bodied, especially when gravid.
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Juveniles are very difficult to sex until maturity.
How to Breed
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Provide film canisters, bromeliads, or leaf axils for egg-laying.
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Males call to attract females; eggs are laid on smooth, moist surfaces.
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Males transport tadpoles to bromeliads; females provide unfertilized eggs as food.
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Tadpoles metamorphose into froglets in ~2–3 months depending on conditions.
🌟 Ranitomeya vanzolinii is considered a collector’s dart frog because of its rarity, striking colors, and fascinating parental behaviors.
