NATURAL HISTORY · CATALOGUE RECORD
Elegant or bar-bellied seasnake
Hydrophis elegans (Gray, 1842)
Source-backed taxonomic record
Accepted species in Catalogue of Life’s 11 September 2026 base release. This preserves the source classification and available supporting data; it is not a completed species monograph.
Open encyclopedia reference
The elegant sea snake (Hydrophis elegans) is a highly venomous sea snake in the family Elapidae. They are found off the coast of Western Australia, Northern Territory and Queensland.
The elegant sea snake is a medium, and slender animal growing to a length of 2 meters (6.6 feet), although in 2008 one was found at a length of 2.6 meters (8.5 feet). Like many other sea snakes, the elegant sea snake has a laterally compressed tail that aids in swimming. These sea snakes can have up to 44 dorsal bands that are grayish black to black that span across the whole length of the body. They have large head scales, and like many other sea snakes, they have nostril valves to prevent water from getting into their lungs while diving. The body scales are imbricate, and in 37–49 rows at the mid-body. The ventral scales are usually undivided and about as wide as, or slightly wider than, neighboring scales of which there are approximately 345–432.
Wikipedia contributors, Hydrophis elegans; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T13:03:08.055603+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Hydrophis elegans (Gray, 1842)
- Name authority
- (Gray, 1842)
- Common name
- Elegant or bar-bellied seasnake
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Squamata
- Family
- Elapidae
- Genus
- Hydrophis
- Extinction status
- Not supplied by this source
Classification family tree
Nested taxonomic groups from the source. This is not a direct-ancestor chain, a dated evolutionary tree or a phylogenetic reconstruction.
- domainEukaryota (Chatton, 1925) Whittaker & Margulis, 1978
- kingdomAnimalia
- phylumChordata
- subphylumVertebrata
- infraphylumGnathostomata
- parvphylumOsteichthyes
- megaclassTetrapoda
- classReptilia Laurenti, 1768
- orderSquamata Oppel, 1811
- suborderSerpentes Linnaeus, 1758
- infraorderAlethinophidia Nopcsa, 1923
- familyElapidae
- subfamilyHydrophiinae
- genusHydrophis
- speciesHydrophis elegans (Gray, 1842)
Close classified relatives
These entries share the source’s genus, Hydrophis. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Peters' Sea SnakeHydrophis bituberculatus Peters, 1873 | ElapidaeChordata | Accepted speciesExtinction status not supplied |
| Slender-necked SeasnakeHydrophis coggeri (Kharin, 1984) | ElapidaeChordata | Accepted speciesExtinction status not supplied |
| Annulated Sea SnakeHydrophis cyanocinctus Daudin, 1803 | ElapidaeChordata | Accepted speciesExtinction status not supplied |
| Hydrophis hendersoni (Boulenger, 1903) | ElapidaeChordata | Accepted speciesExtinction status not supplied |
| Inornate Sea SnakeHydrophis inornatus (Gray, 1849) | ElapidaeChordata | Accepted speciesExtinction status not supplied |
| Pacific seasnakeHydrophis pacificus Boulenger, 1896 | ElapidaeChordata | Accepted speciesExtinction status not supplied |
| Spiny-headed seasnakeHydrophis peronii (Duméril, 1853) | ElapidaeChordata | Accepted speciesExtinction status not supplied |
| Pelagic Sea SnakeHydrophis platurus (Linnaeus, 1766) | ElapidaeChordata | Accepted speciesExtinction status not supplied |
| Lake Taal SnakeHydrophis semperi Garman, 1881 | ElapidaeChordata | Accepted speciesExtinction status not supplied |
| Stoke’s seasnakeHydrophis stokesii (Gray, 1846) | ElapidaeChordata | Accepted speciesExtinction status not supplied |
| Kloss' Sea SnakeHydrophis klossi Boulenger, 1912 | ElapidaeChordata | Accepted speciesExtinction status not supplied |
| Lambert's Sea SnakeHydrophis lamberti Smith, 1917 | ElapidaeChordata | Accepted speciesExtinction status not supplied |
Names & synonyms
Names explicitly linked to this accepted taxon in the source. Synonymy can change with revision.
| Recorded name | Source status |
|---|---|
| Aturia elegans Gray, 1842 Gray, 1842 | synonym |
| Distira grandis Boulenger, 1896 Boulenger, 1896 | synonym |
Documented distribution
Source distribution statements, not a complete range map. A listed locality is not necessarily a place of origin.
Source literature & publication evidence
References attached to this source record, including nomenclatural citations where supplied. This is a selected bibliography; abbreviated citations remain in the source’s form.
- https://reptile-database.reptarium.cz/species?genus=Hydrophis&species=elegans Source fields: Taxon.tsv dwc:namePublishedIn, Taxon.tsv dcterms:references
Origins, evidence & remaining research
Name authority and publication references document nomenclature where the source supplies it. They do not establish evolutionary origins or the earliest fossil occurrence.
Specimen-level evidence, morphology, ecological research, phylogenetic studies, a comprehensive bibliography and a located literary passage have not yet been compiled for this record. A suitable sourced image remains to be added.
Dataset citation & attribution
This exact taxon in ChecklistBank · Catalogue of Life 2026-09-11
Catalogue of Life 2026-09-11; dataset 316321; doi:10.48580/dgz5n. https://creativecommons.org/licenses/by/4.0/ . Retrieved 5 October 2026.
Stable key: col:3N899. Classification follows source parent identifiers. English common names may vary by region.