Japanese spurdog (Squalus japonicus)

Scientific name: Squalus japonicus Ishikawa, 1908

Japanese spurdog (Squalus japonicus)

The Japanese spurdog (Squalus japonicus) is a marine fish of the family Squalidae. Native range: Western Pacific, southeastern Japan and East China Sea, including the Republic of Korea, the Philippines, and the Arafura Sea.

Biology

Found on the outer continental and insular shelves and uppermost slopes, presumably on or near sandy-mud bottom. Ovoviviparous.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Squalus japonicus
Family
Squalidae (Dogfish sharks)
Order
Squaliformes (Bramble, Sleeper and Dogfish sharks)
Class
Elasmobranchii (Sharks and Rays)
Maximum length
91.0
Depth range
150–300 m (492–984 ft)
Environment
Marine; bathydemersal; depth range 150 - 300 m
Climate
Deep-water
Distribution
Western Pacific: southeastern Japan and East China Sea, including the Republic of Korea, the Philippines, and the Arafura Sea.
Conservation status (IUCN)
Data deficient (DD)
Threat to humans
Harmless
Uses
Fisheries: minor commercial
Resilience
Low, minimum population doubling time 4.5 - 14 years (Fec assumed to be

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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