25 Mojave green rattlesnake mostly known as Crotalus scutulatus is a venomous pit viper species found in the deserts of the southwestern United States and central Mexico. It is perhaps best known for its potent neurotoxic venom. Toxicity 0.34 mgkg.

24 Hydrophis is a genus of sea snakes. They are typically found in Indoaustralian and Southeast Asian waters. Currently, more than 30 species are recognized. Duadins sea snake is one of them. Toxicity 0.343 mgkg. There are not much information about it in internet.

23 They can be found in southern regions of Australia, including its coastal islands and Tasmania. These venomous snakes are highly variable in their color, often banded like those on a tiger, and forms in their regional occurrences. Toxicity 0.338 mgkg.

22 The black mamba Dendroaspis polylepis is the longest venomous snakes in Africa, averaging around 2.5 to 3.2 m 8.2 to 10 ft in length. It is also the fastest snake in the world, capable of moving at 4.32 to 5.4 meters per second 1620 kmh, 1012 mph. The black mamba has a reputation for being very aggressive, but it usually attempts to flee from humans like most snakes, unless it is threatened.

21 The Chinese cobra Naja atra found mostly in southern China and a couple of neighboring nations and islands. It is one of the most prevalent venomous snakes in mainland China and Taiwan. Toxicity 0.29 mgkg.

20 The colubrine sea krait, banded sea krait or yellow-lipped sea krait Laticauda colubrina is a species of sea snake found in tropical Indo-Pacific oceanic waters. Toxicity 0.273 mgkg.

19 Beaked sea snake Enhydrina schistosa also known as hook-nosed sea snake, common sea snake, or the Valakadyn sea snake. It is found in the Arabian Sea and Persian Gulf off Oman, south of the Seychelles and Madagascar, the seas off South Asia Pakistan, India and Bangladesh, Southeast Asia Myanmar, Thailand, Vietnam.

18 Hydrophis is a genus of sea snakes. They are typically found in Indoaustralian and Southeast Asian waters. Currently, more than 30 species are recognized. Elegant sea snake is one of them. Toxicity 0.26 mgkg.

17 Mainland tiger snake- They can be found in New South Wales, Queensland, South Australia, Victoria, Western Australia. Toxicity 0.214 mgkg.

16 Tiger rattlesnake or Crotalus tigris can be found in the southwestern United States and northwestern Mexico. Toxicity 0.21 mgkg.

15 Western tiger snake- They can be found in southern regions of Australia, including its coastal islands and Tasmania. Toxicity 0.214 mgkg.

14 Disteira major, commonly known as the olive-headed sea snake or the greater sea snake. It is found in the Indian Ocean in the waters off southern New Guinea, New Caledonia, and Australia New South Wales, North Territory, Queensland, and West Australia.

13 Hydrophis stricticollis, commonly called the collared sea snake. Can be found in Indian Ocean Sri Lanka, India, Myanmar, Bangladesh. Toxicity 0.164 mgkg.

12 Saw-scaled vipers Echis is also known as Carpet vipers. Species of this genus are found in Pakistan, Indiain rocky regions of Maharastra, Rajasthan, Uttar Pradesh and Punjab and Sri Lanka, parts of the Middle East and Africa north of the equator.

11 Banded water cobra Naja annulata , Boulengerina annulata also known as Ringed water cobra. This species is found in parts of central and western Africa, in Cameroon, Central African Republic, Democratic Republic of Congo, Republic of Congo, Equatorial Guinea, Gabon, Rwanda, and the province of Cabinda in Angola.

10 Peninsula tiger snake:They can be found in Australia, including its coastal islands and Tasmania. Toxicity 0.131 mgkg.

9 Beaked sea snake Enhydrina schistosa also known as hook-nosed sea snake, common sea snake, or the Valakadyn sea snake. It is found in the Arabian Sea and Persian Gulf off Oman, south of the Seychelles and Madagascar, the seas off South Asia Pakistan, India and Bangladesh, Southeast Asia Myanmar, Thailand, Vietnam.

8 Black banded sea snake- They are Typically found in Indo-australian and Southeast Asian waters. Currently, more than 30 species are recognized. Black banded sea snake is one of them. Toxicity 0.111 mgkg.

7 The Many-banded krait Bungarus multicinctus, also known as the Taiwanese krait or the Chinese krait. It is found in Taiwan, mainland China, Burma, Laos and Northern Vietnam, and Con Dao Islands Vietnam.

6 The coastal taipan Oxyuranus scutellatus, or common taipan is native to the coastal regions of northern and eastern Australia and the island of New Guinea. This snake is the worlds sixth-most venomous snakes.

5 Horned sea snake Acalyptophis peronii also known as Spiny-headed seasnake, Perons sea snake. It is found in the Gulf of Siam, Thailand,Vietnam, the South China Sea, the coast of Guangdong and Strait of Taiwan, the Philippines, Indonesia, New Guinea, New Caledonia, the Coral Sea Islands, Papua New Guinea,and Australia.

4 Pelamis platura commonly known as the yellow-bellied sea snake, yellowbelly sea snake, or pelagic sea snake. found in all coastal waters around the rim of the Pacific Ocean except Alaska south to southern California, and in the coastal waters of the Indian Ocean from the Persian Gulf eastwards.

3 Aipysurus duboisii or Dubois seasnake is a species of sea snake. Their habitat includes Papua New Guinea, New Caledonia and the northern, eastern and western coastal areas of Australia, that is the Coral Sea, Arafura Sea, Timor Sea and Indian Ocean.

2 The eastern brown snake Pseudonaja textilis is also known as Common brown snake. his snake is considered the worlds second most venomous land snake based on its LD50 value in mice.It is native to Australia, Papua New Guinea and Indonesia.

1 The inland taipan Oxyuranus microlepidotus, also commonly known as the small-scaled snake and fierce snake, is a species native to Australia and is regarded as the most venomous land snake in the world based on LD50 values in mice.