https://www.sharksider.com/blackfin-gulper-shark/
Blackfin Gulper Shark – Facts, Size, Behavior, Diet, Pictures
Sep 22, 2026 - Blackfin gulper shark facts: a 1.08 m Endangered dogfish of the South China Sea slope, its black fin webs, depth range, diet, two-pup litters and conservation.
blackfin gulper sharkfactssizebehaviordiet