Ryan Dowling, from Cairns, said he watched the animal cruelty take place at Palm Cove in Queensland on Tuesday afternoon. According to new research, the lower reaches of the Rewa may be a vital nursery for endangered scalloped hammerhead sharks. The scalloped hammerhead (Sphyrna lewini) is a species of hammerhead shark, and part of the family Sphyrnidae. Adults can be foun… The shark's eyes and nostrilsare at the tips of the extensions. Baby Scalloped Hammerhead Shark Getty Images Pablo Cozzaglio. "Age and growth of the scalloped hammerhead, "Hammerhead Shark Makes Endangered Species List", https://oceana.org/marine-life/sharks-rays/smooth-hammerhead-shark, images and movies of the scalloped hammerhead, Shark Info page about the scalloped hammerhead, Species Description of Sphyrna lewini at www.shark-references.com, https://en.wikipedia.org/w/index.php?title=Scalloped_hammerhead&oldid=990508620, IUCN Red List critically endangered species, Taxa named by Edward Griffith (zoologist), Creative Commons Attribution-ShareAlike License. The hammerhead sharks are an unmistakable group of sharks that can be distinguished from all other fishes by the shape of their heads. Originally known as Zygaena lewini, its genus name was later changed to its current name. As a result, deprivation results from migration and young growth.  The scalloped hammerhead shark, like many other species, uses the shore as a breeding ground. It is found abundantly in depths of 1600 feet (500 meters) and is also often found in shallower waters of about 80 feet (25 meters). , CS1 maint: multiple names: authors list (, FLMNH Ichthyology Department: Scalloped Hammerhead, Sphyrna lewini, Scalloped hammerhead : fisheries, gamefish, http://misiontiburon.org/en/hammerhead-shark/. The scalloped hammerhead was first named Zygaena lewini and then renamed Sphyrna lewini by Edward Griffith and Hamilton Smith in 1834. I’ve been …  They move in the night and use the environment as a map, similar to a human reading a topographical map.  These sharks use a point-to-point type of school swimming, and do not favor going too deep, where temperature changes hitchhike with current speed and directional change. Research carried out by the non-government organisation Misión Tiburón, using conventional and acoustic shark tagging methods, found that adult scalloped hammerheads migrate from the pelagic waters surrounding Cocos Island to the mangroves in the tropical fjord of Golfo Dulce - a tropical fjord on the pacific coast of Costa Rica. The Greek word sphyrna translates into "hammer" in English, referring to the shape of this shark's head. The Greek word sphyrna translates into "hammer" in English, referring to the shape of this shark's head. The scalloped hammerhead shark belongs to the large hammerhead species, and like all representatives of this family, has the typically formed "hammer" consisting of a central dent and an arched front edge (hence the name). He said he hasn't yet had a chance to take his claims to authorities, but managed to take photos of the incident from a distance. ', The fisherman reeled in a 'cute little baby' hammerhead shark and laughed to himself as he tore the hook out of the animal and proceeded to slice it open from its tail to head. The views expressed in the contents above are those of our users and do not necessarily reflect the views of MailOnline. Juveniles and pups thrive in shallow coastal waters, such as bays and mangroves, which provide shelter from predators and waters high in nutrients from deposited sediments.  By experimentation in tagging these sharks, one could test for any guidance in a shark's movement.  Nursery grounds for this species are predictable and repeated over the years, and they are faithful to their natal sites. Scalloped hammerhead sharks have a homing behavior to navigate in the ocean.  The maximum length of the scalloped hammerhead is 4.3 m (14 ft) and the maximum weight 152.4 kg (336 lb), per FishBase. The fisherman reeled in a 'cute little baby' hammerhead shark and laughed to himself as he tore the hook out of the animal and proceeded to slice it open from its tail to head. , Hammerhead sharks are overfished all around the world for their fins and liver oil.
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