UPDATE 1st June, 2018: We just set up snake_ID, a cool new page that simplifies snake identification. Be sure to check it out!

Hydrophis platurus

Yellowbelly sea snake

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


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

  • 22 cm - 133 cm ref
  • Dentition

  • front-fanged
  • Weight

  • ??? gr - ??? gr
  • D.movability

  • fixed
  • Pupil shape (closed state)

  • Teeth/Fang Length

  • 1.5 mm ref

Altitude range

Vertical distribution

-50 to -14 meter above sea level (a.s.l.)

Subspecies & Common Names

Hydrophis platurus  0 DE Gelbbauch Seeschlange, Plättchen Seeschlange, EN Black and Yellow Sea Snake, Pelagic Sea Snake, Yellowbelly sea snake, ES Culebra del Mar, Serpiente de Mar Listada, Serpiente del Mar, Serpiente Marina, Serpiente Pelagica, Vibora del Mar, Vibora Marina, Zapatilla, FR Pélamide bicolore, Serpent grenouille, Serpent marin jaune, GL Cantil listada, JA Seguro Umi Hebi, KO 바다뱀, LOCAL Daryai mar, Samundri sanp, NL Samengedrukte zeeslang, SI Bada Kaha Muhudu Naya, Badakaha muhudu naya
Hydrophis platurus platurus 1
Hydrophis platurus xanthos 2

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 platurus

  • Yellowbelly sea snake
  • VI. snakeID

  • 765