SPOTTED SMOOTH DOGFISH

A little-known shark around Okinawa

The Spotted Smooth dogfish (Proscyllium venustum) is a Finback catshark belonging to the family Proscylliidae. It is found in the temperate northwest Pacific Ocean, in the Okinawa Trough. Very little is known about this recently named species.

Family: Proscylliidae – Finback Catsharks

Genus: Proscyllium

Species: venustum

Taxonomy:

Phylum– Chordata

Class– Chondrichthyles

OrderCarcharhiniformes

Common NameGround Sharks

Family– Proscylliidae

Common NameFinback Catsharks

GenusProscyllium

Speciesvenustum

Status: IUCN Red List NOT EVALUATED

Average Size and Length: More than likely the maximum length is 60 cm/1.9 feet.

Demographic, Distribution, Habitat, Environment and Range: The Spotted Smooth dogfish is found in the temperate northwest Pacific Ocean, in Japan, in the Okinawa Trough. It is temperate demersal found between a known depth of 164-328 feet.

Aesthetic Identification: The Spotted Smooth dogfish, like its name has spots. It is a long and slender shark with 2 dorsal fins, the first dorsal fin closer to the pectorals (slightly behind), and the second dorsal insertion just in front and above of the anal fin.

Biology and Reproduction: It could be oviparous.

Behavioral Traits, Sensing and Intelligence: Unknown.

Speed: More than likely it is a slow-moving shark.

Spotted Smooth Dogfish Future and Conservation: They are not evaluated.

Spotted Smooth Dogfish Recorded Attacks on Humans: Not a threat to humans.