Hydrophis spiralis

Narrow banded Sea Snake

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


A snake that is described as aggressive. Reports say that it will bite at little provocation without hesitation. This huge snake has long fangs and a big venom supply.


The narrow banded sea snake is the longest sea snake known to science.
  • Length Adult

  • up to 275 cm ref
  • Length Newborn

  • unknown
  • Weight Range

  • ??? gr - ??? gr
  • Pupil Shape

  • Dentition Type

  • fixed front fangs ref
  • Teeth/Fang Length


Altitude range

Vertical distribution

-10 to ??? meter above sea level ref

Subspecies & Common Names

Hydrophis spiralis (not specific) 0 ENGLISH Blotched backed Giant Sea Snake, Narrow banded Sea Snake, Spiral Sea Snake, Yellow Sea Snake, FRENCH Hydrophide spirale, GERMAN Gelbe Ruderschlange, SINHALA Mudu naya

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 spiralis

  • Narrow banded Sea Snake
  • VI. snakeID

  • 645
Complete taxonomy of Hydrophis spiralis at The Reptile Database.