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The dusky smooth-hound (Mustelus canis), also called the smooth dogfish or the dog shark, is a species of houndshark in the family Triakidae. [1] This shark is an olive grey or brown in color, and may have shades of yellow or grayish white. Females live to 16 years and males have a lifespan of 10 years.
Dogfish sharks have slate-grey or grey-brown skin with white dots that becomes paler (almost white) around the belly region. These sharks are characterized by teeth in upper and lower jaws similar in size; a caudal peduncle with lateral keels; the upper precaudal pit usually is present; and the caudal fin is without a subterminal notch.
Many dog breeds were developed for aggressive tasks like hunting and guarding property – and they are the dogs most likely to cause harm or death. Learn which breeds are more likely to bite in ...
Sharks are used in popular culture commonly as eating machines, notably in the Jaws novel and the film of the same name, along with its sequels. [121] Sharks are threats in other films such as Deep Blue Sea, The Reef, and others, although they are sometimes used for comedic effect such as in Finding Nemo and the Austin Powers series. Sharks ...
A gory video circulating online appears to show the Egyptian authorities capturing the shark in the water with nets and dragging it ashore for inspection, with crowds gathering around to watch as ...
A video showing multiple sharks swimming close to the shoreline just south of Myrtle Beach, California, has gone viral, gaining over ten million views since it was uploaded on May 16.
The majority of shark nets used are gillnets, which is a wall of netting that hangs in the water and captures the targeted sharks by entanglement. [6] The nets may be as much as 186 metres (610 ft) long, set at a depth of 6 metres (20 ft), have a mesh size of 500 millimetres (20 in) and are designed to catch sharks longer than 2 metres (6.6 ft) in length.
A shark-proof cage is a metal cage used by an underwater diver, to observe dangerous types of sharks up close or to harvest seafood in relative safety. Of the various species of shark, those most commonly observed from a cage are the great white shark and the bull shark , which are both known to be aggressive at times.