Only two extant species of blind sharks occur, both of which are native to shallow coastal waters up to 110 m (360 ft) deep, off the eastern coast of Australia.

[2] Blind sharks feed on small fish, cuttlefish, sea anemones, and crustaceans.

[3] However, they are inactive during the daytime and spend most of the daylight hours hiding in artificial caves.

[3] Brachaelurids have been successfully reared in home aquaria on diets of fresh and frozen seafood fed three times weekly.

[3] The Sydney Aquarium has successfully maintained an entire breeding colony of blind sharks.