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The dusky shark (Carcharhinus obscurus) is a species of requiem shark, in the family Carcharhinidae, occurring in tropical and warm-temperate continental seas worldwide.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 (1,300 ft).
Bull sharks have occasionally gone as far upstream in the Mississippi River as Alton, Illinois. [32] Bull sharks have also been found in the Potomac River in St. Mary's County, Maryland. [33] [34] From 1996 to 2013, a golf course lake at Carbrook, Logan City, Queensland, Australia was the home to several bull sharks.
The sandbar shark is one of the largest coastal sharks in the world, and is closely related to the dusky shark, the bignose shark, and the bull shark. Its dorsal fin is triangular and very high, and it has very long pectoral fins. Sandbar sharks usually have heavy-set bodies and rounded snouts that are shorter than the average shark's snout.
A Bay Area photographer captures juvenile white sharks "smiling" in the warm waters of Monterey Bay. Photos: Is that shark smiling? Here's why young great whites grin at Monterey Bay's Shark Park
Video of a fisherman catching a bull shark in the Guadalupe River has gone viral. New Braunfels officials say it's unlikely, but possible.
The Galapagos shark can be distinguished from the dusky shark in having taller first and second dorsal fins and larger teeth, and it can be distinguished from the grey reef shark in having a less robust body and less pointed first dorsal fin tip. However, these characters can be difficult to discern in the field.
An 18-foot crocodile, known to locals as Brutus, went after a much smaller bull shark in the Adelaide River, and as. ... and photos of it have been cropping up for several years. Brutus is known ...
Blue shark: Prionace glauca: Carcharhinidae Near threatened [11] Blue shark: Pacific sharpnose shark: Rhizoprionodon longurio: Carcharhinidae Vulnerable [12] Pacific sharpnose shark: Dusky shark: Carcharhinus obscurus: Carcharhinidae Endangered [13] Dusky shark with a cobia at SeaWorld: Bull shark: Carcharhinus leucas: Carcharhinidae Vulnerable ...