Poison Dart Frog

Fascinating facts about the Poison Dart Frog

• The cobalt dyeing poison frog is one of the largest poison dart frogs, typically reaching about 50 mm from snout to vent. Smaller forms may be only 3.5 cm, while most individuals are around 5 cm and the biggest variants can grow to 7 cm. Its considerable size combined with extreme colour variability makes it stand out among its relatives.
• Over thirty distinct colour morphs have been recorded in this species, each tied to a particular locality on the Guiana Shield. These morphs differ in patterns of black, yellow, white and blue across the body and limbs, giving the frog a reputation for striking variability. Despite the visual differences, genetic analyses show only marginal differences between populations.
• The tadpoles of D. tinctorius are able to develop in water that is highly alkaline, at heights up to 15 mi above the ground and with salinity levels as high as 955 ppm. They often occupy phytotelmata, small water pools that collect in fallen tree trunks and branches, found in canopy gaps of the rainforest. This tolerance allows the species to breed in isolated, elevated habitats that many other frogs cannot use.
• The cobalt dyeing poison frog gains its toxicity not by making poison itself but by stealing alkaloids from the insects it eats. Its diet is rich in chemical-laden arthropods, especially ants and mites, which provide the raw compounds. Once ingested, these alkaloids are stored in the skin and become a painful deterrent to predators. The frog's bright colours warn that its secretions can cause severe pain, cramping and even paralysis.
• When two photographers briefly handled a cobalt dyeing poison frog, the toxin entered their skin and caused delayed numbness. One man held the frog for about five seconds, washed his hands, and felt a tingling in his forearm twenty minutes later. The other touched his mouth after photographing the frog for five minutes and experienced a slight numbness of his lower lip.

Sources

Every fact above was checked against these pages, and kept only where one of them states it.

• Wikipedia

At a glance

About the Poison Dart Frog

In the vibrant tapestry of the tropical rainforest, the poison dart frog weaves its way through the underbrush with deliberate, jewel-toned precision, its iridescent skin glimmering like a shard of stained glass in the dappled light. As it moves, its slender legs unfold and refold with a hypnotic, almost balletic grace, propelling it effortlessly across the forest floor in a blur of emerald and sapphire. With its toxic secretions and dazzling coloration, this tiny, unassuming monarch of the forest floor embodies a potent fusion of beauty and danger, a living embodiment of the rainforest's unfathomable mysteries.

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