NATURAL HISTORY · CATALOGUE RECORD
Graceful small-headed
Microcephalophis gracilis (Shaw, 1802)
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
Microcephalophis gracilis, also known as the graceful small-headed seasnake, slender sea snake, narrow-headed sea snake, common small-headed sea snake, is a species of sea snake found in the Indian and Pacific Oceans. It is venomous. It eats eels.
Wikipedia contributors, Microcephalophis; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T07:51:31.152551+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Microcephalophis gracilis (Shaw, 1802)
- Name authority
- (Shaw, 1802)
- Common name
- Graceful small-headed
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Squamata
- Family
- Elapidae
- Genus
- Microcephalophis
- 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
- genusMicrocephalophis
- speciesMicrocephalophis gracilis (Shaw, 1802)
Close classified relatives
No other member of this genus is present in the selected snapshot.
Names & synonyms
Names explicitly linked to this accepted taxon in the source. Synonymy can change with revision.
| Recorded name | Source status |
|---|---|
| Hydrophis rostralis Smith, 1917 Smith, 1917 | synonym |
| Thalassophis microcephala Schmidt, 1852 Schmidt, 1852 | synonym |
| Hydophis guntheri Murray, 1884 Murray, 1884 | synonym |
| Hydrus gracilis Shaw, 1802 Shaw, 1802 | synonym |
| Hydrus kadellnagam Boie, 1827 Boie, 1827 | synonym |
| Hydrophis leprogaster Duméril & Bibron ex Fischer, 1856 Duméril & Bibron ex Fischer, 1856 | 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=Microcephalophis&species=gracilis 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:C7PMG. Classification follows source parent identifiers. English common names may vary by region.