Japanese shortnose spurdog
Squalus brevirostris Tanaka, 1917
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.
Figure 5; Squalus brevirostris: lateral (A–C) and ventral (D–F) views; first (G, K) and second (H, L) dorsal fins; pectoral (I, M) and caudal (J,N) fins. ZUMT 7630 (holotype), adult male, 426 mm TL (A, D, G–J); HUMZ 189762, adult male, 403 mm TL (B, E, K–N); HUMZ 189767, juvenile male, 275 mm TL (C, F). Scale bars: 50 mm (A–F); 20 mm (G–N).
Viana STFL, Carvalho MR (2020) Squalus shiraii sp. nov. (Squaliformes, Squalidae), a new species of dogfish shark from Japan with regional nominal species revisited. Zoosystematics and Evolution 96(2): 275-311. https://doi.org/10.3897/zse.96.51962 · CC BY 4.0 · Image sourceProvider-generated thumbnail requested at 800 pixels; no local editing Local WebP display rendition; resized without cropping.
Open encyclopedia reference
The Japanese shortnose spurdog (Squalus brevirostris) is a dogfish shark in the genus Squalus. It is found from southern Japan to the South China Sea. The length of the longest specimen measured is 60 cm (24 in).
Wikipedia contributors, Japanese shortnose spurdog; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T11:42:13.542232+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Squalus brevirostris Tanaka, 1917
- Name authority
- Tanaka, 1917
- Common name
- Japanese shortnose spurdog
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Elasmobranchii
- Order
- Squaliformes
- Family
- Squalidae
- Genus
- Squalus
- 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
- superorderSqualomorphi
- orderSqualiformes Compagno, 1973
- familySqualidae de Blainville, 1816
- genusSqualus Linnaeus, 1758
- speciesSqualus brevirostris Tanaka, 1917
Close classified relatives
These entries share the source’s genus, Squalus. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Squalus bahiensis Viana, Carvalho & Gomes, 2016 | SqualidaeChordata | Accepted speciesExtinction status not supplied |
| Squalus bassi Viana, Carvalho & Ebert, 2017 | SqualidaeChordata | Accepted speciesExtinction status not supplied |
| Longnose spurdogSqualus blainville (Risso, 1827) | SqualidaeChordata | Accepted speciesExtinction status not supplied |
| Squalus acutipinnis Regan, 1908 | SqualidaeChordata | Accepted speciesExtinction status not supplied |
| Squalus altipinnis Last, White & Stevens, 2007 | SqualidaeChordata | Accepted speciesExtinction status not supplied |
| Squalus albifrons Last, White & Stevens, 2007 | SqualidaeChordata | Accepted speciesExtinction status not supplied |
| Squalus hemipinnis White, Last & Yearsley, 2007 | SqualidaeChordata | Accepted speciesExtinction status not supplied |
| Squalus chloroculus Last, White & Motomura, 2007 | SqualidaeChordata | Accepted speciesExtinction status not supplied |
| Squalus crassispinus Last, Edmunds & Yearsley, 2007 | SqualidaeChordata | Accepted speciesExtinction status not supplied |
| Cuban dogfishSqualus cubensis Howell Rivero, 1936 | SqualidaeChordata | Accepted speciesExtinction status not supplied |
| Squalus mahia Viana, Lisher & Carvalho, 2017 | SqualidaeChordata | Accepted speciesExtinction status not supplied |
| Squalus melanurus Fourmanoir & Rivaton, 1979 | SqualidaeChordata | 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.
- Tanaka, S. (1917). Figures and descriptions of the fishes of Japan including Riukiu Islands, Bonin Islands, Formosa, Kurile Islands, Korea and southern Sakhalin. V. 26: 455-474, Pls. 126-130. [In Japanese and English.]. 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.
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:6ZDVN. Classification follows source parent identifiers. English common names may vary by region.