longsnout dogfish
Deania quadrispinosa (McCulloch, 1915)
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.
Distribution map for Deania quadrispinosum
Chris_huh · CC BY-SA 3.0 · Image sourceProvider-generated thumbnail requested at 800 pixels; no local editing Local WebP display rendition; resized without cropping.
Open encyclopedia reference
The longsnout dogfish (Deania quadrispinosa) is a little-known deepwater dogfish, found in the Atlantic and Indian Oceans from Namibia to Mozambique and in the South Pacific off southern Australia and New Zealand.
The longsnout dogfish has an extremely long, angular snout, no anal fin, dorsal fins of similar size with the first placed high on the back and the second having a longer rear free tip, and pitchfork-shaped dermal denticles. It is dark brown and grows to about 114 cm.
Reproduction is ovoviviparous.
This shark lives at depths between 150 and 732 m. It eats bony fish.
Wikipedia contributors, Longsnout dogfish; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T06:40:43.636829+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Deania quadrispinosa (McCulloch, 1915)
- Name authority
- (McCulloch, 1915)
- Common name
- longsnout dogfish
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Elasmobranchii
- Order
- Squaliformes
- Family
- Centrophoridae
- Genus
- Deania
- 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
- familyCentrophoridae Bleeker, 1859
- genusDeania Jordan & Snyder, 1902
- speciesDeania quadrispinosa (McCulloch, 1915)
Close classified relatives
These entries share the source’s genus, Deania. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| arrowhead dogfishDeania profundorum (Smith & Radcliffe, 1912) | CentrophoridaeChordata | Accepted speciesExtinction status not supplied |
| Deania calceus (Lowe, 1839) | CentrophoridaeChordata | Accepted speciesExtinction status not supplied |
| rough longnose dogfishDeania hystricosa (Garman, 1906) | CentrophoridaeChordata | 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 |
|---|---|
| Deania quadrispinosus (McCulloch, 1915) (McCulloch, 1915) | synonym |
| Acanthidium quadrispinosum McCulloch, 1915 McCulloch, 1915 | synonym |
| Deania quadrispinosum (McCulloch, 1915) (McCulloch, 1915) | synonym |
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://www.marinespecies.org/aphia.php?p=taxdetails&id=217367 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:6CG9K. Classification follows source parent identifiers. English common names may vary by region.