List of sea snakes with extremely strong venom in Vietnam

In the world of snakes, the Sea Snake family (Hydrophiidae) gathers small and medium-sized snakes that live in the open sea, have flat tails like oars, and have venom strong enough to kill humans. In Vietnam, they are often called "chan" .

Spiny-tailed snake (Aipysurus eydouxii). Size: Length 50 cm. Distribution area: From Binh Thuan (Ke Ga cape, Phan Thiet) to the Gulf of Thailand. (Photo: Ria Tan / Flickr).

Enhydrina schistosa (Enhydrina schistosa). Size: Length 115 cm. Distribution area: Provinces from Ninh Thuan to the Gulf of Thailand. (Photo: Aviad Bar / Flickr).

Striped-tailed snake (Hydrophis ornatus) . Size: 100 cm. Distribution area: Common in the Northeast through the Central region (Phan Thiet, Mui Ke Ga, Vung Tau) to the Southern Sea. (Photo: Wikipedia).

Yellow-bellied snake (Hydrophis caerulescens). Size: Length 74 cm. Distribution area: South Central region (Phan Thiet, Phan Ri, Ke Ga cape), Southeast region (Vung Tau). (Photo: Marine Life of Mumbai).

Yellow krait (Hydrophis fasciatus). Size: Length 110 cm. Distribution area: Northern Gulf of Tonkin, Central region (Ke Ga cape), Southern region and Con Dao. (Photo: iNaturalist).

Spiny snake (Hydrophis hardwickii). Size: Length 86 cm. Distribution area: Found in most sea areas from North to South. (Photo: Facts.net).

Black ringed snake (Hydrophis torquatus). Size: Length 104 cm. Distribution area: From the East of the Northern region through the Central region (Phan Thiet, Ke Ga cape, Vung Tau) to the South. (Photo: Encyclopedia of Life).

Snake with irregular belly scales (Hydrophis viperinus). Size: Length 93 cm. Distribution area: From the Gulf of Tonkin, along the coast of our country to the Gulf of Thailand. (Photo: Sanjaya Kanishka).