Hydrophis stokesii

Large headed Sea Snake

Venomous 💀💀💀💀 Very dangerous ref
Images provided by Flickr-/iNaturalist-API. Sporadic false assignments may occur.


An aggressive species that will bite multiple times. Serious envenomation, but not fatal bite accidents known so far.


These are massive snakes with a heavy body. Body diameter can reach up to 30 cm.
  • Length Adult

  • up to 200 cm ref
  • Length Newborn

  • 30 to 30.5 cm ref
  • Weight Range

  • ??? gr - ??? gr
  • Pupil Shape

  • Dentition Type

  • fixed front fangs ref
  • Teeth/Fang Length

  • 7 mm ref

Altitude range

Vertical distribution

-10 to ??? meter above sea level ref

Subspecies & Common Names

Hydrophis stokesii (not specific) 0 ENGLISH Large headed Sea Snake, Spiny headed Sea Snake, Stoke's Sea Snake, FRENCH Astrotie de Stokes, GERMAN Stokes Seeschlange, SINHALA Maha valakkadiya, UNCODED LANGUAGES Daryai mar, Samundri sanp

Full Taxonomy

  • I. Superfamily Colubroidea

  • Colubrids, elapids and vipers
  • II. Family Elapidae

  • Elapids
  • III. Subfamily Hydrophiinae

  • Sea snakes
  • IV. Genus Hydrophis

  • Sea snakes
  • V. Species Hydrophis stokesii

  • Large headed Sea Snake
  • VI. snakeID

  • 576
Complete taxonomy of Hydrophis stokesii at The Reptile Database.