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Poisonous Animals

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

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  1. Poisonous Animals Poison DartFrog

  2. Origin • Dendrobatidaefamily

  3. Name origin • Origin of it’s name: used as weapon

  4. Blue Poison DartFrog • Dendrobatesazureus • Few Rain forest island of Southern Suriname

  5. Characteristics • Daily active • Brilliant color, complex patterns • Many are deadly poisonous • Can Climb • Poor swimmer

  6. Characteristics • Size : 1 - 7cm • Weight : few grams • Life time : 3 - 15 years

  7. Its poison • Most poisonous animal in the world • 0.2 µg to kill 1 person • Golden Dart Frog has 200 µg

  8. Poison’s use • Natural defense against predator

  9. Alkaloids • Complex nitrogenous compounds • 24 structural classes known in dart frog

  10. Batrachotoxin • Neurotoxins, a potent nerve poison

  11. Predators • Amazon groundsnake

  12. Dietary Hypothesis • Sequesterarthropod prey’s toxins

  13. Plant-Insect-Frog toxin food chain • Commun Alkaloids toxins

  14. Alkaloid sequestration • Poison glands

  15. Species with Similar Venom • Hooded Pitohui

  16. Thank you for listening

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