Australien, Endemische Art, Korallenmeer, New South Wales (Ost-Australien), Queensland (Ost-Australien)
description
Small in size with a nurse shark-like appearance. Well developed barbels. Suction hole (spiraculum) available. Maul is in front of the eyes. First dorsal fin a little larger than the second. Beginning of the first dorsal fin above the pelvic fins.
In addition to this species, only one other blind shark species is known: Brachaelurus waddi (Bloch & Schneider 1801), the blind shark, which shows the same behavior as the blue-gray blind shark.
Brachaelurus colcloughi is nocturnal, it hides in caves and under rocky outcrops during the day and searches for food at night.
The shark is landed as an incidental bycatch in commercial coastal fisheries and is also used at low levels for trading in marine aquariums.
The basic color of the shark's dorsal surface is light gray-brown, sometimes golden-brown, without white spots on the fins and body;
Adults show indistinct saddles and white spots on the anterior ridges of the dorsal fins, juveniles have conspicuous black spots on the posterior ridges of the dorsal fins and along the base of the caudal fin
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