Scientific Classification

Kingdom Animalia
Phylum Chordata
Subphylum Vertebrata
Class Reptilia
Order Squamata
Suborder Serpentes
Family Elapidae or Hydrophiidae
Subfamily Hydrophiinae
Genus Acalyptophis
Scientific Name Acalyptophis peronii
spiny headed sea snake
spiny headed sea snake

Other Names

Peron’s sea snake, horned sea snake

Spiny-headed Sea Snake Description

  • The spiny-headed sea snake has a small head and flattened body.
  • It is an entirely marine animal.
  • They flatten their body in water so that they can easily swim.

Size & Weight


  • TOTAL-LENGTH: 130 cm


Coral reefs, sandy beds


South China Sea, Gulf of Siam, Strait of Taiwan, New Caledonia, Vietnam, Coral Sea Islands, New South Wales, Queensland, Papua New Guinea




10 live young

Gestation Period

6 – 7 months

Birth Season

March and June

Conservation Status

Least Concern