There is very little known about Stout Catsharks, though they are presumably endemic to Tohoku Slope, Japan in the Northwest Pacific Ocean. They are deep water creatures that have a depth range from 100 m to 1,500 m.
Biology and Behaviour:
Stout catsharks have a dark brown body with a broad flattened head and an elongated, wide snout.
A mature male reaches 55 cm from head to tail, however a mature female length is unknown.The maximum reported length of a stout catsharks is 68 cm.
Apristurus species are relatively small and sluggish sharks that live on or near the bottom of the sea. Their diet includes crustaceans, squids and small fishes.
Reproduction and Lifespan:
Stout catsharks are oviparous. The egg cases of stout catsharks are thick and approximately 5 to 6.8 cm long and 2.5 cm to 2.9 cm wide.
Conservation and Tourism:
The IUCN lists Stout Sharks as Data Deficient because of the insufficient information.
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