Creatures in Crisis
Photograph of Japanese shortnose spurdog (Squalus brevirostris), recorded as Endangered
Japanese shortnose spurdog (Squalus brevirostris). Image via Wikimedia Commons.

Endangered

Japanese shortnose spurdog

Squalus brevirostris

The Japanese shortnose spurdog is a dogfish shark in the genus Squalus.

Status
Endangered
Scientific name
Squalus brevirostris
Taxonomy
Elasmobranchii · Squaliformes · Squalidae · Squalus

The shark or ray

The length of the longest specimen measured is 60 cm (24 in).

Sharks, rays, and guitarfishes: cartilaginous fishes with denticle skin and no true bone.

Range and habitat

It is found from southern Japan to the South China Sea.

Pins are Wikidata “endemic to” fields. Orange dots, when present, are GBIF occurrence tiles — survey bias included.

Breeding

Sharks and rays grow slowly and have few young. A fishery that treats them as bycatch can empty a coastal form.

In crisis

Japanese shortnose spurdog is Endangered on this catalog because that is the IUCN category stored on Wikidata. Confirm the official criteria and any later count on iucnredlist.org.

Sources

Written for this catalog from the English Wikipedia article on Japanese shortnose spurdog — often a short stub, Wikidata item Q5027004. Family and order context is original field-guide writing about the group, not a copied assessment of this one species. Wikipedia text is CC BY-SA. Not an IUCN assessment. Counts, when quoted, can change — confirm them on the recovery programme and on iucnredlist.org.

Photograph via Wikimedia Commons. Wikipedia · Wikidata · IUCN Red List.

Same genus

Photograph of Japanese spurdog (Squalus japonicus), recorded as EndangeredEN

Japanese spurdog

Squalus japonicus
Photograph of Shortspine spurdog (Squalus mitsukurii), recorded as EndangeredEN

Shortspine spurdog

Squalus mitsukurii
Photograph of Greeneye spurdog (Squalus chloroculus), recorded as EndangeredEN

Greeneye spurdog

Squalus chloroculus
Photograph of Vaquita (Phocoena sinus), recorded as Critically EndangeredCR

Vaquita

Phocoena sinus

Quick answers

What is Japanese shortnose spurdog?
The Japanese shortnose spurdog is a dogfish shark in the genus Squalus.
What is the conservation status of Japanese shortnose spurdog?
Endangered, as the IUCN category stored on Wikidata for Squalus brevirostris. Confirm the official assessment on iucnredlist.org.
Where does Japanese shortnose spurdog live?
It is found from southern Japan to the South China Sea.
Why is Japanese shortnose spurdog in crisis?
It is Endangered on Wikidata. Read the official Red List assessment for the criteria.
Is this the IUCN Red List page for Squalus brevirostris?
No. This is a researched catalog account. The Red List is the assessment.
Is Japanese shortnose spurdog a pet?
An animal on this catalog is in crisis in the wild. Keeping one is usually the wrong question.