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Poisonous Animals. Poison Dart Frog. Origin. Dendrobatidae family. Name origin. Origin of it’s name: used as weapon. Blue Poison Dart Frog. Dendrobates azureus Few Rain forest island of Southern Suriname. Characteristics. Daily active Brilliant color, complex patterns
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Poisonous Animals Poison DartFrog
Origin • Dendrobatidaefamily
Name origin • Origin of it’s name: used as weapon
Blue Poison DartFrog • Dendrobatesazureus • Few Rain forest island of Southern Suriname
Characteristics • Daily active • Brilliant color, complex patterns • Many are deadly poisonous • Can Climb • Poor swimmer
Characteristics • Size : 1 - 7cm • Weight : few grams • Life time : 3 - 15 years
Its poison • Most poisonous animal in the world • 0.2 µg to kill 1 person • Golden Dart Frog has 200 µg
Poison’s use • Natural defense against predator
Alkaloids • Complex nitrogenous compounds • 24 structural classes known in dart frog
Batrachotoxin • Neurotoxins, a potent nerve poison
Predators • Amazon groundsnake
Dietary Hypothesis • Sequesterarthropod prey’s toxins
Plant-Insect-Frog toxin food chain • Commun Alkaloids toxins
Alkaloid sequestration • Poison glands
Species with Similar Venom • Hooded Pitohui