Please try Msg & data rates may apply. It has a slender, streamlined body and can be identified by its short round snout, long sickle-shaped pectoral fins, a ridge between the first and second dorsal fins, and faintly marked fins. The pectoral fins of the Galapagos shark are longer and more pointed, and it has a very wide and rounded snout. Juveniles have a dark colouration on the tip of the caudal fin and the underside of the pectoral fins that is less pronounced in adults. Other names: black flathead, mud flathead, river flathead Scientific name: Platycephalus fuscus Minimum size: 32 cm Bag limit: 20 (flathead species other than bluespotted and rock combined) Possession limit: 30 (flathead species other than bluespotted and rock combined) Identifying features: Dusky flathead are sandy brown in colour with small spots over the body and fins. A large shark with a broadly rounded snout, triangular saw-edged upper teeth, curved moderate-sized pectoral fins, and an interdorsal ridge (Ref. The first dorsal fin is tall and the second is low and broad. Dusky sharks are grey to bronze in colour with a lighter underbelly. Juvenile Dusky Whalers in the Cabbage Tree Bay Aquatic Reserve, Fairy Bower, Sydney. They make long seasonal migrations all the way from the Equator to the Poles. DUSKY SHARK Carcharhinus obscurus Family: Carcharhinidae Other common names: Ridgeback grey shark, Donkerhaai Description A large shark with a broadly rounded snout. Our Dusky Shark fish replicas are available in customer pleasing high action anatomical poses, as in traditional slight bend to the head, slight bend to the tail, swimming pose, leaping pose, and rolling down poses. The dusky shark can grow to 364 cm in length. The dusky shark is an apex predatory species, but is physically similar to many other large Carcharhinid sharks. Dusky Shark occurs off the west and south coasts of Australia between latitudes 18°S and 36°S 1,2, and off the east coast, where the range of the species is currently undefined. ). This shark is an olive grey or brown in color, and may have shades of yellow or grayish white. Now they are considered to be ânear threatened,â and experts remain concerned for this sharkâs future. Blue-grey, lead-grey above, white below; tips of pectoral and pelvic fins, as well as lower lobe of caudal fin and dorsal fins often dusky in young, plain in adults . You can find these sharks in tropical and subtropical oceans around the world.