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Bythaelurus dawsoni (Springer, 1971)

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

The New Zealand catshark (Bythaelurus dawsoni) is a species of shark belonging to the family Pentanchidae, the deepwater catsharks, in the order Carcharhiniformes. This species is endemic to in the deep waters around New Zealand. Its length is up to 45 centimetres (18 in). The New Zealand catshark is a small, little-known deep water bottom shark. It is dark brown around the top with a few widely spaced pale spots, and white below. It feeds on bottom-living crustaceans. It is also completely harmless to humans.

Wikipedia contributors, New Zealand catshark; 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 dawsoni (Springer, 1971)
Name authority
(Springer, 1971)
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.

  1. domainEukaryota (Chatton, 1925) Whittaker & Margulis, 1978
  2. kingdomAnimalia
  3. phylumChordata
  4. subphylumVertebrata
  5. infraphylumGnathostomata
  6. parvphylumChondrichthyes
  7. classElasmobranchii
  8. subclassNeoselachii
  9. infraclassSelachii
  10. superorderGaleomorphi
  11. orderCarcharhiniformes
  12. familyScyliorhinidae Gill, 1862
  13. genusBythaelurus Compagno, 1988
  14. speciesBythaelurus dawsoni (Springer, 1971)

Close classified relatives

These entries share the source’s genus, Bythaelurus. They are not necessarily the closest relatives established by molecular evidence.

SpeciesClassificationSource status
Bythaelurus stewarti Weigmann, Kaschner & Thiel, 2018ScyliorhinidaeChordataAccepted speciesExtinction status not supplied
Bythaelurus bachi Weigmann, Ebert, Clerkin, Stehmann & Naylor, 2016ScyliorhinidaeChordataAccepted speciesExtinction status not supplied
Bythaelurus canescens (Günther, 1878)ScyliorhinidaeChordataAccepted speciesExtinction status not supplied
Bythaelurus clevai (Séret, 1987)ScyliorhinidaeChordataAccepted speciesExtinction status not supplied
Bythaelurus immaculatus (Chu & Meng, 1982)ScyliorhinidaeChordataAccepted speciesExtinction status not supplied

Browse 46 records assigned to Scyliorhinidae.

Names & synonyms

Names explicitly linked to this accepted taxon in the source. Synonymy can change with revision.

Recorded nameSource status
Halaelurus dawsoni Springer, 1971 Springer, 1971synonym

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.

  1. https://www.marinespecies.org/aphia.php?p=taxdetails&id=316764 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:P2LM. Classification follows source parent identifiers. English common names may vary by region.