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Hydrophis major Olive-Headed Sea Snake, Greater Seasnake

Hydrophis major is commonly referred to as Olive-Headed Sea Snake, Greater Seasnake. Difficulty in the aquarium: Not suitable for home aquaria!. Toxicity: Highly toxic.


Profilbild Urheber Bas Johan

Hydrophis Major,Province Sud, Nouvelle-Calédonie 2025


Courtesy of the author Bas Johan Bas Johan. Please visit www.inaturalist.org for more information.

Uploaded by Muelly.

Image detail


Profile

lexID:
18012 
AphiaID:
Scientific:
Hydrophis major 
German:
Große Ruderschlange,Olivenköpfige Seeschlange 
English:
Olive-Headed Sea Snake, Greater Seasnake 
Category:
 
Family tree:
Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Elapidae (Family) > Hydrophis (Genus) > major (Species) 
Initial determination:
(Shaw, ), 1802 
Occurrence:
Australia, Indo Pacific, New Caledonia, Papua New Guinea, Queensland (Australia) 
Marine Zone:
Subtidal, sublittoral, infralittoral, deep zone of the oceans from the lower limit of the intertidal zone (intertidal) to the shelf edge at about 200 m water depth. neritic. 
Sea depth:
- 20 Meter 
Habitats:
Bays, Coastal waters, Estuaries (river mouths), Intertidal zone, Tidal Zone, Muddy grounds, Seawater, Sea water 
Size:
up to 41.34" (105 cm) 
Temperature:
°F - 82.4 °F (°C - 28°C) 
Food:
Carnivore, Fish (little fishes), Predatory 
Difficulty:
Not suitable for home aquaria! 
Offspring:
None 
Toxicity:
Highly toxic 
CITES:
Not evaluated 
Red List:
Least concern (LC)  
Related species at
Catalog of Life
:
 
Author:
Publisher:
Meerwasser-Lexikon.de
Created:
Last edit:
2026-01-01 18:34:03 

Toxicity


Hydrophis major is (very) poisonous and the poison can kill you under circumstances!!!
If you want to keep Hydrophis major, inform yourself about the poison and its effects before buying. Keep a note with the telephone number of the poison emergency call and all necessary information about the animal next to your aquarium so that you can be helped quickly in an emergency.
The telephone numbers of the poison emergency call can be found here:
[overview_and_url_DE]
Overview Europe: European Association of Poisons Centres and Clinical Toxicologists

This message appears for poisonous, very poisonous and also animals whose poison can kill you immediately. Every human reacts differently to poisons. Please therefore weigh the risk for yourself AND your environment very carefully, and never act lightly!

Info

Hydrophis major (Shaw, 1802)

Venomous!

Synonymised names
Disteira major (Shaw, 1802) · unaccepted
Hydrus major Shaw, 1802 · unaccepted

External links

  1. Atlas of Living Australia (en). Abgerufen am 01.01.2026.
  2. Reptile Database (en). Abgerufen am 01.01.2026.
  3. Wikipedia (de). Abgerufen am 01.01.2026.
  4. Wikipedia (de). Abgerufen am 01.01.2026.

Pictures

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