japanese velvet dogfish
Very rare deep-water black velvety-looking dogfish only found in Japan
Family: Somniosidae – Sleeper sharks
Common Name– Dogfish Sharks
Common Name– Sleeper Sharks
Status: IUCN Red List DATA DEFICIENT
Average Size and Length: The length at birth is unknown. The maximum recorded is 3.3 feet, and this was a male.
Teeth and Jaw: The mouth of the Japanese Velvet dogfish is narrow, short and transverse. The upper teeth are spear-like and small. The lower teeth are high, knife-like cusps that are good for cutting.
Head: The Japanese Velvet Dogfish has a low, flat head with a long snout.
Demographic, Distribution, Habitat, Environment and Range: The Japanese Velvet Dogfish can be found in Japan over the slope, on or near the bottom between 1,476 and 2,723 feet. They have been recorded in Suruga Bay and Honshu.
Aesthetic Identification: The Japanese Velvet Dogfish is black in color. The gills are short, and about half the eye length. There are two dorsal fins with small spines. The pectoral fins are narrow, and shaped like a leaf, well in front of the first dorsal spine. The pelvic fins are small and about equal to the second dorsal fin.
Biology and Reproduction: Unknown, but introductory research suggests ovoviviparous.
Behavioral Traits, Sensing and Intelligence: Unknown
Japanese Velvet Dogfish Shark Recorded Attacks on Humans: Not a threat to humans.