NATURAL HISTORY · CATALOGUE RECORD
Triangle Water Snake
Hydrops triangularis (Wagler, 1824)
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
Hydrops triangularis, commonly known as the water false coral snake, the triangle water snake or triangle watersnake, and the water coral, is a species of snake in the subfamily Dipsadinae of the family Colubridae. The species is native to northern South America and the Amazon Basin. There are no subspecies that are recognized as being valid.
Wikipedia contributors, Hydrops triangularis; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T09:00:01.318175+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Hydrops triangularis (Wagler, 1824)
- Name authority
- (Wagler, 1824)
- Common name
- Triangle Water Snake
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Squamata
- Family
- Colubridae
- Genus
- Hydrops
- 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
- familyColubridae
- subfamilyDipsadinae
- genusHydrops
- speciesHydrops triangularis (Wagler, 1824)
Close classified relatives
These entries share the source’s genus, Hydrops. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Hydrops caesurus Scrocchi, Ferreira, Giraudo, Ávila & Motte, 2005 | ColubridaeChordata | Accepted speciesExtinction status not supplied |
| Amazon Water SnakeHydrops martii (Wagler, 1824) | ColubridaeChordata | 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 |
|---|---|
| Hydrops triangularis fasciatus Roze, 1957 Roze, 1957 | synonym |
| Hydrops triangularis neglectus Roze, 1957 Roze, 1957 | synonym |
| Elaps triangularis Wagler, 1824 Wagler, 1824 | synonym |
| Hydrops triangularis bassleri Roze, 1957 Roze, 1957 | synonym |
| Hydrops triangularis bolivianus Roze, 1957 Roze, 1957 | synonym |
| Hydrops triangularis venezuelensis Roze, 1957 Roze, 1957 | 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=Hydrops&species=triangularis 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:3N8ZQ. Classification follows source parent identifiers. English common names may vary by region.