Top 10 Most Venomous Reptiles and Amphibians

1. Indian Cobra
   Toxin : Peak V
   Fatal Amount : 0.009 MG

2. Mamba
   Toxin : Toxin 1
   Fatal Amount : 0.02 MG

3. Brown Snake
   Toxin : Texilotoxin
   Fatal Amount : 0.05 MG

4. Inland Taipan
   Toxin : Paradotoxin
   Fatal Amount : 0.10 MG

Tied : Mamba
       Toxin : Dendrotoxin
       Fatal Amount : 0.10 MG

6. Taipan
   Toxin : Taipoxin
   Fatal Amount : 0.11 MG

7. Indian Cobra
   Toxin : Peak X
   Fatal Amount : 0.12 MG

Tied: Poison arrow frog
      Toxin : Batrachotoxin
      Fatal Amount : 0.12 MG

9. Indian Cobra
   Toxin : Peak 1X
   Fatal Amount : 0.17 MG

                           

10. Krait
    Toxin : Bungarotoxin
    Fatal Amount : 0.50 MG

Top 10 Largest Spiders

1. Huntsman spider 
   Scientific name : Heteropoda maxima
   Leg Span : 300mm/11.8 in 

2. Brazilian salmon pink 
   Scientific name : Lasiodora parahybana
   Leg Span : 270 mm/10.6 in

3. Brazilian ginat tawny red 
   Scientific name : Grammostola mollicoma
   Leg Span : 260 mm/10.2 in

4. Goliath tarantula or bird-eating spider 
   Scientific name : Theraposi blondi
   Leg Span : 254 mm/10 in

Wolf Spider
Scientific name : Cupiennius sallei
Leg Span : 254 mm/10 in

6. Purpule bloom bird eating 
   Scientific name : Xenesthisimmanis
   Leg Span : 230 mm/9.1 in

   
   Xenethis Monstrosa
   Scientific name : Xenethis Montrosa
   Leg Span : 230 mm/9.1 in

8. Hercules baboon
   Scientific name : Hysterocrates hercules
   Leg Span : 203 mm/8.0 in

9. Hysterocrates sp.
   Leg Span : 178 mm/7.0 in

10. Tegenaria parietin
    Leg Span : 140 mm/5.5 in