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Hydrophis cyanocinctus

Annulated Sea Snake

Venomous 💀💀💀💀 Very dangerous bite ref
Images automatically provided by Flickr & iNaturalist. Sporadic false assignment does occur.


The bite of most elapids is not painful. You can be bitten and envenomated without noticing it.
  • Length Adult

  • up to 275 cm ref
  • Length Newborn

  • unknown
  • Reproduction

  • unknown ref
  • Pupil Shape (when closed!)

  • round (or oval) ref
  • Fangs

  • fixed ref front-fanged ref

Subspecies & Common Names

Hydrophis cyanocinctus  CHINESE 青環海蛇 (Qīng Huán Hǎishé), ENGLISH Annulated Sea Snake, Asian Annulated Sea Snake, Banded Sea Snake, Blue Banded Sea Snake, Bluebanded Sea Snake, Common Sea Serpent, Dusky Chinned Giant Sea Snake, Ringed Sea Snake, FRENCH Hydrophide A Bandes Bleues, GERMAN Streifenruderschlange, KOREAN 얼룩바다뱀, UNCODED LANGUAGES Chittul, Daryai Mar, Madara Umi Hebi, Samundri Sanp ref

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 cyanocinctus

  • Annulated sea snake
  • VI. snakeID

  • 639
Look up complete taxonomic records of Hydrophis cyanocinctus (including synonyms) at THE REPTILE DATABASE (by Peter Uetz et al).