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Home > Snakes > Annulated Sea Snake

Annulated Sea Snake

Annulated sea snake is a species of poisonous sea snake occurring in the Indian Ocean and other marine waters of Asia. The species is very much adapted to thrive at sea. The snake is known to be alert and may become aggressive when alarmed.



    Kingdom Animalia
    Phylum Chordata
    Subphylum Vertebrata
    Class Reptilia
    Order Squamata
    Suborder Serpentes
    Family Elapidae
    Subfamily Hydrophiinae
    Genus Hydrophis
    Scientific Name Hydrophis cyanocinctus


    Other Names Blue-banded Sea Snake
    Length Around 1.5 m
    Weight Largest recorded specimen weighs 1019 g
    Color Greenish-olive upper surface with blackish or olive diagonal bars or annuli which is broadest on the back, sometimes joined by a black band along the belly
    Distribution Iran, Pakistan, Sri Lanka, India, Bangladesh, Thailand, Myanmar, Malaysia, Philippines, marine waters around Korea, Japan, Solomon Islands, South China Sea, East China Sea, some coastal regions of China, coasts of Persian Gulf (Oman, United Arab Emirates), New Guinea
    Habitat Warm, shallow waters over reefs, sand or seagrass
    Diet Marine invertebrates, fishes
    Venom Fact Highly venomous
    Mode of Reproduction Ovoviviparous (giving birth to live young by means of eggs hatched inside the body of the parent)
    Litter Size 3 to 18 young
    IUCN Conservation Status Least Concern

    Annulated Sea Snake Pictures Gallery

    Published on December 4th 2016 by under Snakes. Article was last reviewed on 7th June 2019.

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