Creatures in Crisis
Photograph of Shortspine spurdog (Squalus mitsukurii), recorded as Endangered
Shortspine spurdog (Squalus mitsukurii). Image via Wikimedia Commons.

Endangered

Shortspine spurdog

Squalus mitsukurii

The shortspine spurdog is a dogfish, a member of the family Squalidae, found on continental shelves off Japan in temperate waters, from the surface to 950 m.

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

The shark or ray

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

Range and habitat

The shortspine spurdog is a dogfish, a member of the family Squalidae, found on continental shelves off Japan in temperate waters, from the surface to 950 m.

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

Shortspine 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 Shortspine spurdog — often a short stub, Wikidata item Q2314437. 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 Japanese shortnose spurdog (Squalus brevirostris), recorded as EndangeredEN

Japanese shortnose spurdog

Squalus brevirostris
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 Shortspine spurdog?
The shortspine spurdog is a dogfish, a member of the family Squalidae, found on continental shelves off Japan in temperate waters, from the surface to 950 m.
What is the conservation status of Shortspine spurdog?
Endangered, as the IUCN category stored on Wikidata for Squalus mitsukurii. Confirm the official assessment on iucnredlist.org.
Where does Shortspine spurdog live?
The shortspine spurdog is a dogfish, a member of the family Squalidae, found on continental shelves off Japan in temperate waters, from the surface to 950 m.
Why is Shortspine 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 mitsukurii?
No. This is a researched catalog account. The Red List is the assessment.
Is Shortspine spurdog a pet?
An animal on this catalog is in crisis in the wild. Keeping one is usually the wrong question.