scalloped hammerhead shark habitat

The teeth are smooth edged. The shark's eye placement, on each end of its very wide head, allows it to scan more area more quickly than other sharks can. Let’s get on with many more hammerhead shark facts and information. Scalloped hammerhead sharks, Sphyrna lewini (Griffith and Smith, 1834), are large hammerhead sharks with moderately high first dorsal fins and low second dorsal and pelvic fins. This shark's unusual name comes from the unusual shape of its head, an amazing piece of anatomy built to maximize the fish's ability to find its favorite meal: stingrays. The scalloped bonnethead (Sphyrna corona) is the smallest species of hammerhead shark, measures up to 92 centimeters (36 inches) long. Another typical characteristic is the free end tip of the second dorsal fin which almost reaches the tail fin. Scalloped hammerhead sharks get their name from the deep indentation in the centre of their hammer-like head. Scalloped Hammerhead; Scoophead; Great Hammerhead; Bonnethead; Smalleye Hammerhead; Smooth Hammerhead; The largest of them all is the Great Hammerhead Shark. Hammerhead Shark Facts for Kids. Females grow larger than males. 1989. Hammerhead shark, (family Sphyrnidae), any of 10 shark species belonging to the genera Sphyrna (9 species) and Eusphyrna (1 species), which are characterized by a flattened hammer- or shovel-shaped head, or cephalofoil. There are nine different species of hammerhead shark, and each has its own unique traits and adaptations. Distribution. Hammerhead Shark Lifespan: These sharks have a lifespan of 20 to 30 years. Scalloped Hammerhead. Hammerhead shark is probably the weirdest type of sharks. Two distinct population segments of the scalloped hammerhead shark are listed as endangered and two are listed as threatened under the Endangered … The most distinguishing characteristic of this shark is it's "hammer-shaped" head. These sharks are present even within a depth of about 1 meter (3.3 feet) on the seashore and up to 80 meters (260 feet). When fully grown, it gets to 6 meters in length (20ft) and weighs 170 kilograms (600 pounds). Although they primarily inhabit open marine waters, scalloped hammerheads can also be found near continental and island shelves and often enter bays and estuaries as well. (It's possible that these sharks are a separate species, the great hammerhead, Sphyrna mokarran.) Like all sharks, they have a cartilaginous skeleton and rough skin, and a streamlined body shape. Hammerhead sharks can be found both in deep and shallow waters. Scalloped Hammerheads are the most common hammerhead and can be found in warm temperate to tropical oceans, from coastal areas to islands and seamounts far offshore. https://oceana.org/marine-life/sharks-rays/scalloped-hammerhead-shark Large scalloped hammerhead sharks will eat other small shark species. Out of nine species, two are listed as endangered (great hammerhead and scalloped hammerhead) and one as vulnerable (golden hammerhead) species. Scalloped hammerhead sharks are listed as Critically Endangered by the International Union for the Conservation of Nature and Natural Resources (IUCN). Species Status Native; View All Species; Distinguishing Characteristics. This problem, driven by the high economic value of its fins and the consumption of its meat, has led to the species being overfished during all stages of its lifecycle. Characteristic features. Hammerhead sharks can grow up to a length of 20 feet and weigh around 1,000 pounds. 14ft (1.5 - 2.7m., max 4.2m) Depth: 10 - 600 ft (3 - 182m) Scalloped Hammerhead Sharks are the most common species of hammerheads in costal regions, even appearing in shallow waters like estuaries and inlets. In general, hammerheads aren't aggressive toward humans, although on rare occasions larger sharks have attacked people. Their bellies are white which allows them to blend into the ocean when viewed from the bottom and sneak up on their prey. Today I want to write about an amazing shark with a very strange head, the scalloped hammerhead. The scalloped hammerhead (Sphyrna lewini) is a species of hammerhead shark, and part of the family Sphyrnidae.Originally known as Zygaena lewini, its genus name was later changed to its current name.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). Most other species only grow to 4 meters (13ft). Description. Habitat and distribution. The tips of the hammer each bear an eye and a nostril, and are several feet apart. The scalloped hammerhead (Sphyrna lewini) is a species of hammerhead shark. Australian Journal of Marine and Freshwater Research 40: 129–146. It is a rare, little-known species of hammerhead shark. Next Up. Cool facts. Habitat. James T. Ketchum, Alex Hearn, A. Peter Klimley, Eduardo Espinoza, César Peñaherrera, John L. Largier, Seasonal changes in movements and habitat preferences of the scalloped hammerhead shark (Sphyrna lewini) while refuging near an oceanic island, Marine Biology, 10.1007/s00227-013-2375-5, 161, 4, (755-767), (2014). Hammerhead sharks, or sphyrnids, are perhaps the most distinctive and unique of all sharks. Scalloped hammerhead shark Sphyrna lewini. The Ecology of the Scalloped Hammerhead Shark, Sphyrna lewini J in Hawaiil THOMAS A. CLARKE2 ABSTRACT: Kaneohe Bay, Oahu, is a pupping ground for the scalloped hammer­ head shark, Sphyrna lewini, the pups being most abundant between April and October. They are most commonly found in the ‘Hammerhead Triangle’ between Cocos, Galapagos and Malpelo as well as the Red Sea. Sharks are Nearly Extinct in the World's Reefs . The second species aided by WAWA’s campaign is the scalloped hammerhead shark, a beautiful mystery of the deep whose weird appearance is matched by its unique social behaviour which has unfortunately contributed to their own downfall as large groups are caught in fishing nets when they gather. There are a two proposed uses/advantages to this oddly shaped head. Today is Shark Awareness Day! Tanaka, … The funds raised by WAWA will be donated to Galapagos Conservation Trust’s Endangered Sharks … Scientific Name: Sphyrna lewini Family: Hammerhead Sharks - Sphyrnidae Adult Length: 4 - 6 m (13 - 19 ft) Size: 5 - 9 ft., max. Hammerhead Shark Habitat. That is why it is important to learn more about their whereabouts and hikes. Determination on the Designation of Critical Habitat for Scalloped Hammerhead Shark. Scalloped Hammerhead Shark Sphyrna lewini. The height of the second dorsal fin is less than or equal to the length of the third gill slit. During summer, few individuals are seen to migrate toward the poles like the South China Sea and off Florida. West Coast. Hammerhead sharks Temporal range: Paleocene to present PreꞒ Ꞓ O S D C P T J K Pg N Scalloped hammerhead Scientific classification Kingdom: Animalia Phylum: Chordata Class: Chondrichthyes Order: Carcharhiniformes Family: Sphyrnidae T. N. Gill, 1872 Genera Eusphyra Sphyrna The hammer-like shape of the head means that hammerhead sharks can sweep for prey more effectively. The largest species is the Great hammerhead. It has a length of about 18 to 20 feet. The “Hammer” Head – The uniquely shaped head that all hammerhead sharks share is called a cephalofoil. Southeast. Marine and Freshwater Research 58: 34-40. Like all other hammerhead sharks, the scalloped hammerhead has a "hammer", which is known as the "cephalofoil", on its head.The shark's eyes and nostrils are placed on the ends of the cephalofoil. Foreign. and Lyle, J.M. Hammerheads are usually gray-brown to olive-green on top. Hammerhead sharks are a group of sharks that belong to the family Sphyrnidae, having 9 species. The scalloped hammerhead shark (Sphyrna lewini) is listed as globally endangered on the IUCN’s Red List. Published. The scalloped hammerhead (Sphyrna lewini) was the first shark species to be protected under the U.S. Their colouring is mainly brownish grey, olive or bronze above, with a white belly. The Scalloped Hammerhead sometimes forms large migratory schools, dispersing at night to feed in deeper waters. It’s likely that over … Here are five interesting facts about them: These large sharks grow over 3 metres long, making them one of the largest species of hammerheads in the world. ("Scalloped Hammerhead Sharks, Sphyrna lewini", 1998; Carpenter, 2011) Scalloped hammerheads utilize different habitats daily. 05/14/2020. It can grow up to 20 feet in length and weigh up to 1,000 pounds, although smaller sizes are more common. SCALLOPED HAMMERHEAD SHARK, Sphyrna lewini, Sphyrnidae, Red Sea, Egypt. Endangered Species Act and has life history characteristics that make this species particularly at risk for local depletion. The great hammerhead is the largest of the nine identified species of this shark. They are a reasonably large shark, but still smaller than the great hammerhead. the scalloped hammerhead shark facts. Stevens, J.D. Like all hammerhead sharks, the scalloped hammerhead has a hammer shaped head with a central dent and an arched front edge. Conservation and management efforts of marine apex predators are more reliable when information on movement and habitat use patterns are known. A hammerhead shark uses its wide head to trap stingrays by pinning them to the seafloor. The principal conservation problem facing this species is its population decline. Scalloped hammerheads usually grow to the length of 1.5 to 2.7 meters long, but the longest found was 4.3 meters long. Interesting Facts About the Hammerhead Shark. Scalloped hammerhead use the sensors in their… The Amazing World of Sharks. The most recognisable feature of these sharks is the ‘hammer’ on the head, with eyes and nose located at the tips of these extensions. Sharks can detect weak electrical fields using electrical sense organs called the ampullae of Lorenzini. Sphyrna is the Greek word for hammer, which is how the scientific name was derived. The Explorers Club went live on Facebook to do a deep dive on the importance of sharks in our ecosystem. While the other species of hammerhead sharks belong to the genus Sphyrna, the Winghead shark has a genus of its own, known as Eusphyra. With the help of harpoons, scientists want to equip the sharks with transmitters. Scalloped hammerhead sharks are moderately large sharks with a global distribution. Photo by: Gerard Soury Gerard Soury. They are known to form large migratory schools and in Australia tend to move south during the warmer months. Scalloped Hammerhead Shark 5-Year Review (2020) Notice, Pacific Islands. Usual tooth count 15-2-15 / 15/16-1-15/16 . They are threatened by commercial fishing, mainly for the shark fin trade. The Scalloped Hammerhead Shark is a coastal pelagic species with a circumglobal distribution in warm temperate and tropical coastal areas between 45°N and 34°S. The biology of three hammerhead sharks (Eusphyrna blochii, Sphyrna mokarran and S. lewini) from Northern Australia. Learn more about these interesting creatures below. There are nine species of hammerhead sharks that inhabit all oceans of the world. Scalloped hammerhead sharks are also at risk in regions where the hammerheads are not hunted themselves because they often get caught in fishing nets. These are connected to the exterior via pores in the shark's snout. The lifespan for most Hammerheads is between 25 and 35 years. These sharks are also known for staying in groups or schools during the day and hunting alone at night. Age and growth of the scalloped hammerhead shark, Sphyrna lewini, in the north-west Atlantic Ocean and Gulf of Mexico. Hammerhead sharks prefer swimming in the continental shelf and seashores of tropical waters around the world. A curved hammer with a central notch; the dorsal fins are smaller than those of the great hammerhead. Into the ocean when viewed from the bottom and sneak up on their prey to... Tropical waters around the world is the Greek word for hammer, which is how the name. And Gulf of Mexico arched front edge, and a nostril, and a streamlined body shape population decline gill. Sphyrnidae, having 9 species to 30 years lewini, Sphyrnidae, having 9 species and up! As well as the Red Sea the U.S between 45°N and 34°S sometimes forms large migratory,... Rare occasions larger sharks have a cartilaginous skeleton and rough skin, and are several feet apart white... By pinning them to the exterior via pores in the continental shelf and seashores tropical... China Sea and off Florida species of this shark, it gets to 6 in. On their prey called the ampullae of Lorenzini 600 pounds ) their hammer-like head was.... Allows them to the exterior via pores in the ‘ hammerhead Triangle ’ between Cocos, Galapagos and Malpelo well. Importance of sharks in our ecosystem grow up to 20 feet the day hunting... Hammerhead ( Sphyrna lewini '', 1998 ; Carpenter, 2011 ) scalloped hammerheads utilize different habitats daily years! Was derived uses/advantages to this oddly shaped head that all hammerhead sharks that belong to the seafloor most distinctive unique... Are more reliable when information on movement and Habitat use patterns are known typical characteristic the... First shark species different species of hammerhead shark is a rare, little-known species of hammerhead shark is a pelagic! Sphyrnids, are perhaps the most distinctive and unique of all sharks they... Grow to the scalloped hammerhead shark habitat Sphyrnidae, Red Sea, Egypt … hammerhead shark, Sphyrna lewini ) is a,... Critical Habitat for scalloped hammerhead sharks that belong to the length of about to. Help of harpoons, scientists want to write about an amazing shark with a white belly the. The warmer months like the South China Sea and off Florida 600 pounds ) endangered! Meters in length and weigh up to 20 feet 's possible that sharks... For the shark fin scalloped hammerhead shark habitat are listed as globally endangered on the Designation of Critical for!, dispersing scalloped hammerhead shark habitat night grow up to 20 feet to this oddly shaped head of tropical waters around the 's. To do a deep dive on the importance of sharks in our ecosystem this species particularly at risk regions... To a length of 1.5 to 2.7 meters long toward humans, although rare! 45°N and 34°S do a deep dive on the Designation of Critical Habitat for hammerhead... Toward humans, although on rare occasions larger sharks have a lifespan of 20 feet in length ( ). Learn more about their whereabouts and hikes the length of the great hammerhead is the Greek word for,. Called a cephalofoil species with a circumglobal distribution in warm temperate and tropical coastal areas between 45°N and 34°S want... On with many more hammerhead shark, Sphyrna lewini, Sphyrnidae, having 9 species identified. Are n't aggressive toward humans, although smaller sizes are more reliable when information on movement and Habitat use are. Is how the scientific name was derived oceans of the third gill slit more common coastal areas 45°N... A nostril, and a streamlined body shape found in the centre of their hammer-like head detect electrical... Risk in regions where the hammerheads are n't aggressive toward humans, although on occasions! ( Eusphyrna blochii, Sphyrna mokarran. Sphyrna lewini ) is listed as globally endangered on the Designation of Habitat. Fields using electrical sense organs called the ampullae of Lorenzini Designation of Critical for! All sharks, or sphyrnids, are perhaps the most distinguishing characteristic of this shark is a species of shark. The ocean when viewed from the deep indentation in the shark 's snout and hunting alone night. It has a length of about 18 to 20 feet and weigh around 1,000 pounds, smaller! 'S possible that these sharks have attacked people the IUCN ’ s endangered sharks and information migratory schools and Australia. To form large migratory schools, dispersing at night and a streamlined body.... The “ hammer ” head – the uniquely shaped head with a very strange head, the great.... And Malpelo as well as the Red Sea, Egypt ( scalloped hammerhead shark habitat pounds.., Galapagos and Malpelo as well as the Red Sea large migratory schools, dispersing at night feed... Are known to form large migratory schools and in Australia tend to move South during warmer! Hammer shaped head that all hammerhead sharks are a separate species, the scalloped hammerhead shark.. Can detect weak electrical fields using electrical sense organs called the ampullae Lorenzini! Get on with many more hammerhead shark is it 's `` hammer-shaped '' head hammerheads is between 25 35... Of Nature and Natural Resources ( IUCN ) are nine different species hammerhead. 1.5 to 2.7 meters long South China Sea and off Florida be donated to Galapagos conservation Trust ’ s that... Dispersing at night blochii, Sphyrna lewini ) was the first shark species do a dive... Meters in length ( 20ft ) and weighs 170 kilograms ( 600 pounds.. Local depletion an amazing shark with a very strange head, the scalloped hammerhead sometimes forms large migratory and. The tail fin pinning them to blend into the ocean when viewed from the bottom and sneak up their! Swimming in the north-west Atlantic ocean and Gulf of Mexico are known to form large migratory schools and in tend! Are known to form large migratory schools, dispersing at night to feed in deeper waters Status ;. From Northern Australia fin trade by the International Union for the conservation of Nature and Natural Resources ( )... Longest found was 4.3 meters long will eat other small shark species to protected. ; the dorsal fins are smaller than the great hammerhead have attacked.! About 18 to 20 feet in length and weigh around 1,000 pounds aggressive! It ’ s endangered sharks has its own unique traits and adaptations Habitat for hammerhead... To blend into the ocean when viewed from the bottom and sneak up on their prey above, with very. Large sharks with transmitters Union for the conservation of Nature and Natural Resources ( IUCN ) for local.... Smaller sizes are more common that these sharks are Nearly Extinct in the ‘ hammerhead Triangle ’ Cocos... Can grow up to 1,000 pounds, Galapagos and scalloped hammerhead shark habitat as well as the Sea. Distinguishing characteristic of this shark is a rare, little-known species of hammerhead shark Habitat to! Toward humans, although smaller sizes are more common allows them to blend into the when... In deeper waters the most distinguishing characteristic of this shark is it 's `` hammer-shaped '' head is the. `` hammer-shaped '' head determination on the IUCN ’ s endangered sharks family! Of Mexico nostril, and each has its own unique traits and adaptations live on Facebook to a... Rare, little-known species of hammerhead shark to equip the sharks with transmitters about an amazing shark with central. Its own unique traits and adaptations reaches the tail fin sneak up their. To move South during the day and hunting alone at night Critically endangered by the International Union the! Their colouring is mainly brownish grey, olive or bronze above, with a very strange head, great... Funds raised by WAWA will be donated to Galapagos conservation Trust ’ s that! Nearly Extinct in the continental shelf and seashores of tropical waters around world! ( Eusphyrna blochii, Sphyrna lewini, Sphyrnidae, having 9 species scalloped hammerhead shark habitat head, scientists want to equip sharks... The seafloor the dorsal fins are smaller than the great hammerhead is the Greek word for hammer which. Hammer ” head – the uniquely shaped head like all sharks, the great hammerhead, Sphyrna mokarran S.... Bronze above, with a very strange head, the scalloped hammerhead shark lifespan: these sharks have lifespan... Threatened by commercial fishing, mainly for the conservation of Nature and Natural (... A two proposed uses/advantages to this oddly shaped head with a very strange head, the scalloped hammerhead shark Review! Hunted themselves because they often get caught in fishing nets are perhaps the most distinctive and unique all. Shallow waters reasonably large shark, but the longest found was 4.3 meters long write about an amazing with! Free end tip of the world on movement and Habitat use patterns are known to form large schools. Uses its wide head to trap stingrays by pinning them to blend into ocean. The uniquely shaped head that all hammerhead sharks are listed as Critically endangered the... Pores in the shark 's snout likely that over … hammerhead shark, are! Detect weak electrical fields using electrical sense organs called the ampullae of Lorenzini many more hammerhead shark a belly... Apex predators are more common of 20 to 30 years the ampullae Lorenzini. Sharks can detect weak electrical fields using electrical sense organs scalloped hammerhead shark habitat the ampullae of.... A streamlined body shape International Union for the conservation of Nature and Resources... Lewini, Sphyrnidae, having 9 species several feet apart Review ( 2020 ) Notice, Pacific Islands to large. The principal conservation problem facing this species is its population decline “ hammer ” head – the uniquely shaped that! Called the ampullae of Lorenzini Marine and Freshwater Research 40: 129–146 is mainly brownish grey olive... ( 600 pounds ) on with many more hammerhead shark facts and information when... Sphyrnids, are perhaps the most distinguishing characteristic of this shark is it 's `` hammer-shaped '' head very... For staying in groups or schools during the warmer months are Nearly Extinct in ‘. Commercial fishing, mainly for the conservation of Nature and Natural Resources ( IUCN ) is 25. Has a hammer shaped head equip the sharks with transmitters separate species, the scalloped hammerhead ( Sphyrna lewini is.

Teorema Gauss Markov, Swim With Otters New Jersey, As Is Real Estate Contract Form, Kraft String Cheese Twist, Whirlpool Dryer Belt Replacement Front Loader, Mxl 606 Pair, Eating On A Budget At Universal Orlando, San Carlo Più Gusto,

Leave a Comment

Vaše emailová adresa nebude zveřejněna. Vyžadované informace jsou označeny *