The American Mastermind

Populations migrate seasonally towards the poles in the summer and towards the equator in the winter traveling hundreds to thousands of kilometers. The dusky shark is a species of requiem shark in the family carcharhinidae occurring in tropical and warm temperate continental seas worldwide.

Dusky Whaler Fish Identification Information Queensland Government

The bronze whaler shark is normally found in temperate areas or latitudes and they prefer to stay in larger groups.

Dusky whaler sharks. It occurs in continental and insular shelf waters from the surface to a depth of 400 m. The dusky whaler has a long pointed snout long pectoral fins and a low ridge between the dorsal fins. Dusky shark is a carnivore meat eater.

Commercial fisheries for the copper shark exist off new zealand australia though the bronze whaler fishery of western australia actually takes mostly dusky sharks south africa brazil uruguay argentina mexico and china. Located in sydney s northern beaches district of manly shelly beach is such a popular dive site that the council have erected benches specifically designed for scuba divers to gear up on. One of the largest members o.

A generalist apex predator the dusky shark can be found from the coast to the outer continental shelf and adjacent pelagic waters and has been recorded from a depth of 400 m. Some have reported up to 40 sharks patrolling the bay and today i witnessed possibly a dozen. Dusky whaler snorkellers love their sharks it is long overdue but with a change in conditions this week that has seen visibility increase to as good as it gets the dusky whalers are back in numbers.

Dusky sharks also known as bronze or black whalers are long distance swimmers known for seasonal temperature driven migrations that males and females undertake in separate groups. It is found. And from january to june it serves as a nursery ground to the delightful juvenile dusky whaler sharks.

Although it prefers the deeper waters of the atlantic especially off the coast of south africa new zealand and australia they are also found in offshore island coastlines inlet waterways and man made harbors. Dusky whaler carcharhinus obscurus lesueur 1818 identification. Dusky sharks are not aggressive but they will attack humans in self defense most attacks are provoked.

It hunts and eats various fish including other sharks and ray cuttlefish octopus sea turtles crustaceans whale carcasses and ocean waste. It also contributes to the bycatch of other commercial fisheries across its range.