Bythaelurus stewarti Weigmann, Kaschner & Thiel, 2018
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
Bythaelurus stewarti, the Error Seamount catshark, is a species of shark belonging to the family Pentanchidae, the deepwater catsharks, in the order Carchariniformes. It is endemic to Error Seamount, a guyot located in the Arabian Sea in the western Indian Ocean. Its closest relative is the bristly catshark (B. hispidus), which it differs from in its larger size, darker and more mottled coloration, and especially its smaller and less densely concentrated denticles.
Wikipedia contributors, Bythaelurus stewarti; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T19:13:21.238423+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Bythaelurus stewarti Weigmann, Kaschner & Thiel, 2018
- Name authority
- Weigmann, Kaschner & Thiel, 2018
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Elasmobranchii
- Order
- Carcharhiniformes
- Family
- Scyliorhinidae
- Genus
- Bythaelurus
- Extinction status
- Not supplied by this source
Source habitat flags: Marine: yes · Freshwater: no · Terrestrial: no. These do not form a complete habitat description.
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
- parvphylumChondrichthyes
- classElasmobranchii
- subclassNeoselachii
- infraclassSelachii
- superorderGaleomorphi
- orderCarcharhiniformes
- familyScyliorhinidae Gill, 1862
- genusBythaelurus Compagno, 1988
- speciesBythaelurus stewarti Weigmann, Kaschner & Thiel, 2018
Close classified relatives
These entries share the source’s genus, Bythaelurus. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Bythaelurus bachi Weigmann, Ebert, Clerkin, Stehmann & Naylor, 2016 | ScyliorhinidaeChordata | Accepted speciesExtinction status not supplied |
| Bythaelurus canescens (Günther, 1878) | ScyliorhinidaeChordata | Accepted speciesExtinction status not supplied |
| Bythaelurus clevai (Séret, 1987) | ScyliorhinidaeChordata | Accepted speciesExtinction status not supplied |
| Bythaelurus dawsoni (Springer, 1971) | ScyliorhinidaeChordata | Accepted speciesExtinction status not supplied |
| Bythaelurus immaculatus (Chu & Meng, 1982) | ScyliorhinidaeChordata | Accepted speciesExtinction status not supplied |
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.
- Weigmann, S., Kaschner, C. J., & Thiel, R. (2018). A new microendemic species of the deep-water catshark genus Bythaelurus (Carcharhiniformes, Pentanchidae) from the northwestern Indian Ocean, with investigations of its feeding ecology, generic review and identification key. Plos One, 13. https://doi.org/10.1371/journal.pone.0207887 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:D52L7. Classification follows source parent identifiers. English common names may vary by region.