1. Poison Dart Frogs
Dendrobates azureus
OUKALA Sophia

2. Summary
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7)
Habitat
Identity
Toxins
Origins of toxins
Predator
Roles in the ecosystem
Threats

3. Habitat
Central and South
America
Tropical jungles

4. Identity
 Size: 6 centimetres
 Weight: 2 grams
 Color: Bright to
warn predators
 Toxins: in glands on
the skin
Like live in group

5. Toxins
 Epibatidine = interferes muscle contraction in the heart and
skeletal muscle
 Batrachotoxin = neurotoxin that affects the nervous system
by bloking trnasmission to the muscles and
cause burns
Dart Frogs can kill!

6. Origins of toxins
Ants
Toxins come from
these animals!
Centipedes
Mites

7. Predator
Leimadophis
epinephelus
The one which has developed
immunity to this poison!

8. Roles in the
Ecosystem
Control ant and mite
populations
Protect plants from
insects

9. Threats
Deforestation
Illegal trafic

10. Thanks for you
attention!!
Do you have any questions?? Send me an email at
sophia.oukala(at)etu.emse.fr