Dog sharks cannot be raised in freshwater.

The dog shark cannot be raised in freshwater and needs to be raised in brackish water. The dog shark mainly inhabits the coastal coral reef area, often inhabiting the intertidal zone, is a small and medium-sized benthic shark. Activity is slow, often hibernating in the reef area near the seabed. Benthic fish, shrimp, crabs, shellfish, etc. for food.

Distributed in the Indian Ocean to the western Pacific Ocean, from Japan to the northern waters of Australia. In China, it is found in Taiwan and the South China Sea.

Dog Shark Reproduction:

Ovoviviparous, with rounded egg shells. Paired eggs are released into the benthic environment. Egg cases are 11 cm x 15 cm long and flattened.

Embryos feed exclusively on yolk in the egg case until hatching and free swimming. In captivity, it may take up to 4 months from the time the female is released to hatch. After hatching, young sharks are 13-17 centimeters in total length.