NATURAL HISTORY · CATALOGUE RECORD
Hai Ha Mountain Stream Keelback
Opisthotropis haihaensis Ziegler, Pham, Nguyen, Nguyen, Wang, Wang, Stuart & Le, 2019
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.
Identity & source status
- Scientific name
- Opisthotropis haihaensis Ziegler, Pham, Nguyen, Nguyen, Wang, Wang, Stuart & Le, 2019
- Name authority
- Ziegler, Pham, Nguyen, Nguyen, Wang, Wang, Stuart & Le, 2019
- Common name
- Hai Ha Mountain Stream Keelback
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Squamata
- Family
- Colubridae
- Genus
- Opisthotropis
- 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
- subfamilyNatricinae
- genusOpisthotropis
- speciesOpisthotropis haihaensis Ziegler, Pham, Nguyen, Nguyen, Wang, Wang, Stuart & Le, 2019
Close classified relatives
These entries share the source’s genus, Opisthotropis. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Lau’s Mountain Stream SnakeOpisthotropis laui Yang, Sung & Chan, 2013 | ColubridaeChordata | Accepted speciesExtinction status not supplied |
| Opisthotropis tamdaoensis Ziegler, David & Vu, 2008 | ColubridaeChordata | Accepted speciesExtinction status not supplied |
| Yellow-spotted mountain KeelbackOpisthotropis maculosa Stuart & Chuaynkern, 2007 | ColubridaeChordata | Accepted speciesExtinction status not supplied |
| Guangxi Mountain KeelbackOpisthotropis guangxiensis Zhao, Jiang & Huang, 1978 | ColubridaeChordata | Accepted speciesExtinction status not supplied |
| Sichuan Mountain KeelbackOpisthotropis latouchii (Boulenger, 1899) | ColubridaeChordata | Accepted speciesExtinction status not supplied |
| Maxwell's Mountain KeelbackOpisthotropis maxwelli Boulenger, 1914 | ColubridaeChordata | Accepted speciesExtinction status not supplied |
| Gary's Mountain KeelbackOpisthotropis alcalai Brown & Leviton, 1961 | ColubridaeChordata | Accepted speciesExtinction status not supplied |
| Hung-Ta Chang’s mountain KeelbackOpisthotropis hungtai Wang, Lyu, Zeng, Lin, Yang, Nguyen, Le, Ziegler & Wang, 2020 | ColubridaeChordata | Accepted speciesExtinction status not supplied |
| Hansel’s Mountain Stream keelbackOpisthotropis hanseli Stuart, Seateun, Chuaynkern, Ren, Bernstein & Phimmachak, 2026 | ColubridaeChordata | Accepted speciesExtinction status not supplied |
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.
- ZIEGLER, THOMAS; CUONG THE PHAM, TAN VAN NGUYEN, TRUONG QUANG NGUYEN, JIAN WANG, YING-YONG WANG, BRYAN L. STUART & MINH DUC LE. (2019). A new species of Opisthotropis from northern Vietnam previously misidentified as the Yellow-spotted Mountain Stream Keelback O. maculosa Stuart & Chuaynkern, 2007 (Squamata: Natricidae). Zootaxa 4613 (3): 579–586. 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:8GQ49. Classification follows source parent identifiers. English common names may vary by region.