NATURAL HISTORY · CATALOGUE RECORD
Blackbelly Worm-eating Snake
Trachischium fuscum (Blyth, 1855)
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
Trachischium fuscum, also known as the blackbelly worm-eating snake or the Darjeeling slender snake, is a species of colubrid snake, which is endemic to Asia. The specific name, fuscum, is Latin for "dusky" or "dark brown".
Wikipedia contributors, Trachischium fuscum; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T12:04:46.189390+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Trachischium fuscum (Blyth, 1855)
- Name authority
- (Blyth, 1855)
- Common name
- Blackbelly Worm-eating Snake
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Squamata
- Family
- Colubridae
- Genus
- Trachischium
- 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
- genusTrachischium
- speciesTrachischium fuscum (Blyth, 1855)
Close classified relatives
These entries share the source’s genus, Trachischium. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Apte’s slender snakeTrachischium apteii Bhosale, Gowande & Mirza, 2019 | ColubridaeChordata | Accepted speciesExtinction status not supplied |
| Sushanta’s Worm-eating SnakeTrachischium sushantai Raha, Das, Bag, Debnath & Pramanick, 2018 | ColubridaeChordata | Accepted speciesExtinction status not supplied |
| Trachischium nyalamense Guo, Liu, Jin, Shu, WU & Che, 2024 | ColubridaeChordata | Accepted speciesExtinction status not supplied |
| Blyth's Reticulated SnakeTrachischium reticulata (Blyth, 1855) | ColubridaeChordata | Accepted speciesExtinction status not supplied |
| Günther’s Worm-eating SnakeTrachischium guentheri Boulenger, 1890 | ColubridaeChordata | Accepted speciesExtinction status not supplied |
| Olive Oriental Slender SnakeTrachischium laeve Peracca, 1904 | ColubridaeChordata | Accepted speciesExtinction status not supplied |
| Mountain Worm-eating SnakeTrachischium monticola (Cantor, 1839) | 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 |
|---|---|
| Ablabes gilgiticus Annandale, 1905 Annandale, 1905 | synonym |
| Calamaria fusca Blyth, 1855 Blyth, 1855 | synonym |
| Eminophis lineolata Werner, 1924 Werner, 1924 | synonym |
| Trachischium rugosum Günther, 1858 Günther, 1858 | synonym |
| Calamaria obscuro-striata Blyth, 1854 Blyth, 1854 | 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=Trachischium&species=fuscum 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:57PFN. Classification follows source parent identifiers. English common names may vary by region.