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Origin Dendrobatidae family Name origin Origin of it’s name: used as weapon.

Published byClarence Ward Modified over 9 years ago

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Presentation on theme: "Origin Dendrobatidae family Name origin Origin of it’s name: used as weapon."— Presentation transcript:

1

2 Origin Dendrobatidae family

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

4 Blue Poison Dart Frog Dendrobates azureus 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 ground snake

12 Dietary Hypothesis Sequester arthropod 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

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