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Hydrophis platurus

Yellowbelly 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 133 cm ref
  • Length Newborn

  • 22 to 25.4 cm ref
  • Reproduction

  • unknown ref
  • Pupil Shape (when closed!)

  • unknown ref
  • Fangs

  • fixed ref front-fanged ref
  • Teeth/Fang Length

  • 1.5 mm ref

Altitude range

Vertical distribution

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

Subspecies & Common Names

Hydrophis platurus  DUTCH Samengedrukte Zeeslang, ENGLISH Bi Color Sea Snake, Bicolor Sea Snake, Black And Yellow Sea Snake, Black Backed Hydrus, Black Backed Pelamis, Culebra Del Mar, Pelagic Sea Snake, Yellow Bellied Sea Snake, Yellowbelly Sea Snake, FRENCH Pélamide Bicolore, Plature Fascié, Serpent Grenouille, Serpent Marin Jaune, Serpent Marina, GALICIAN Cantil Listada, GERMAN Gelbbauch Seeschlange, Plättchen Seeschlange, JAPANESE Seguro Umi Hebi, KOREAN 바다뱀, SINHALA Bada Kaha Muhudu Naya, Badakaha Muhudu Naya, SPANISH Cantil De Mar, Cantil Listada, Coral Marino, Culebra Del Mar, Culebra Marina Rayada, Negra Serpiente Marina, Serpeiente De Mar, Serpente Marina Negra Y Amarilla, Serpiente De Mar Listada, Serpiente Del Mar, Serpiente Marina, Serpiente Marina Listada, Serpiente Marina Negra E Amarilla, Serpiente Pelagica, Vibora Del Mar, Vibora Marina, Zapatilla, UNCODED LANGUAGES Daryai Mar, Samundri Sanp, UNDETERMINED LANGUAGE Waters Snake ref
Hydrophis platurus platurus ref
Hydrophis platurus xanthos 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 platurus

  • Yellowbelly sea snake
  • VI. snakeID

  • 765
Look up complete taxonomic records of Hydrophis platurus (including synonyms) at THE REPTILE DATABASE (by Peter Uetz et al).