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The most venomous snakes – Top 10

The most venomous snakes

Venomous snakes are species of suborder Serpentes that are capable of producing venom which is used primarily for immobilizing prey and defense mostly via mechanical injection by fangs. Common venomous snakes include Families Elapidae, Viperidae, Atractaspididae and some of Colubridae. The toxicity of them is mainly indicated by murine LD50, while multifarious factors are considered to judge their potential danger to humans.

Supplement: A list of the Top 100 most venomous snakes in the world


There are four most popular methods in which the median lethal dose (LD50) test is measured:

  • LDSC Subcutaneous: Venom is injected into the fatty layer beneath the skin
  • LDIVIntravenous: Venom is injected directly into a vein
  • LDIMIntramuscular: Venom is injected into a muscle
  • LDIPIntraperitoneal: Venom is injected into the abdominal cavity

The most commonly tested methods are subcutaneous and intravenous injections of mice.

How many people can kill the snake’s venom?

Below is the estimated list of mice and human fatality count based on the maximum venom dose of snakes.

Saw-scaled viper (Echis carinatus)
23,841 Mice / 6 Humans

Saw-scaled viper (Echis carinatus)
Saw-scaled viper (Echis carinatus).


Gaboon viper (Bitis gabonica)
24 000 Mice / 6 Humans

Gaboon viper (Bitis gabonica)
Gaboon viper (Bitis gabonica).


Terciopelo (Bothrops asper)
24,380 Mice / 6 Humans

Terciopelo (Bothrops asper)
Terciopelo (Bothrops asper).


Cape cobra (Naja nivea)
31,250 Mice / 9 Humans

Cape cobra
Cape cobra (Naja nivea).


Indian cobra (Naja naja)
33,689 Mice / 10 Humans

Indian cobra (Naja naja)
Indian cobra (Naja naja).


King cobra (Ophiophagus hannah)
45,830 Mice / 11 Humans

King cobra (Ophiophagus hannah)
King cobra (Ophiophagus hannah).


Russell’s viper (Daboia russelii)
88,211 Mice / 22 Humans

Russell’s viper (Daboia russelii)


Black mamba (Dendroaspis polylepis)
33 Humans

Black mamba (Dendroaspis polylepis)
Black mamba (Dendroaspis polylepis).


Caspian cobra (Naja oxiana)
62,165 Mice / 42 Humans

Caspian cobra (Naja oxiana)
Caspian cobra (Naja oxiana).


Coastal taipan (Oxyuranus scutellatus)
208,019 Mice / 56 Humans

Coastal taipan (Oxyuranus scutellatus)
Coastal taipan (Oxyuranus scutellatus).


Eastern brown snake (Pseudonaja textilis)
212,329 Mice / 58 Humans

Eastern brown snake (Pseudonaja textilis)


Forest cobra (Naja melanoleuca)
244,889 Mice / 65 Humans

Forest cobra (Naja melanoleuca)
Forest cobra (Naja melanoleuca).


The most venomous snake in the world:

Inland taipan (Oxyuranus microlepidotus)
1,085,000 Mice / 289 Humans

Inland taipan (Oxyuranus microlepidotus)
Inland taipan (Oxyuranus microlepidotus) – the most venomous snake in the world.


Dinosaur Database


  1. Most venomous and most dangerous are different propositions. Toxicity is a measure how strong a species’ venom is. That is one factor that determines how dangerous a venomous snake is, but volume produced and amount injected is also a crucial factor. A species that is capable of delivering a huge quantity of lower-toxicity venom can be more deadly than a species with higher venom toxicity delivered in lower volume.

    Also, snake are venomous, not poisonous.

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