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Golfo Dulce Poison Dart Frog Care Guide

Phyllobates vittatus

Diurnal Terrestrial Bioactive vivarium

Golfo Dulce poison dart frogs are small, diurnal Costa Rican dart frogs that do best in mature, heavily planted bioactive vivariums with stable humidity, clean airflow, and abundant leaf-litter cover.

Captive-bred dart frogs are essentially non-toxic on standard feeder diets, but they remain delicate, permeable-skinned amphibians and should be treated as hands-off display animals.

Housing

  • An 18 x 18 x 18 inch front-opening vivarium is a practical minimum for a pair; 24 x 18 x 18 inches or larger is preferable for a small group.
  • Use a mature bioactive setup with drainage, deep plant cover, leaf litter, springtails, and visual barriers.
  • Avoid deep water; shallow water features or damp leaf litter are safer because dart frogs are not strong swimmers.

Lighting and Heating

  • Provide a consistent 12-hour day/night cycle, normally using a low-heat plant-growth LED.
  • UVB is optional; if used, provide only gentle Ferguson Zone 1 exposure over part of the enclosure with dense shade.
  • Maintain about 70-76°F by day and 65-72°F at night; extended temperatures at 80°F or above are dangerous and mid-80s can be life-threatening.

Humidity and Substrate

  • A useful humidity range is about 70-100% with a rise after misting followed by partial drying; clean airflow matters as much as moisture.
  • Use a drainage layer, screen separator, 2-3 inches of ABG-style substrate, and a thick layer of clean leaf litter.
  • Mist as needed without creating stagnant, waterlogged soil; watch for sour odors, standing water, or excessive mold.

Food and Supplements

  • Flightless fruit flies are the staple feeder, with springtails and other appropriately tiny captive-produced invertebrates adding variety.
  • Juveniles generally receive small meals daily or at least 5-6 times weekly; adults commonly feed about 3-5 times weekly.
  • Dust feeders lightly with a quality dart-frog calcium/vitamin supplement on most feedings and use vitamin A carefully rather than excessively.

Decor, Handling and Groups

  • Dense cover, cork, seed pods, leaf litter, bromeliads, pothos, and other sturdy tropical plants provide security and natural foraging areas.
  • Avoid bare-hand handling; use a clean deli cup or smooth container for necessary moves.
  • Pairs or small groups can work in sufficiently large, planted enclosures, but adults must be monitored for food competition, weight loss, excessive hiding, or repeated chasing; never mix species, color forms, or localities.