The largest Hammerhead species, the Great Hammerhead shark, will typically weigh around 230 kg (500 pounds) but can reach a weight of 450 kg (1,000 pounds). Off Australia, squid are the most important prey, followed by bony fish. The nostrilsare located near the ends of t… Sailors for the Sea developed the KELP (Kids Environmental Lesson Plans) program to create the next generation of ocean stewards. The Great Hammerhead is the largest of all hammerhead species on the planet. Most species feed in relatively shallow coastal waters and may even venture into brackish bays and estuaries. The second-largest hammerhead next to the great hammerhead, the smooth hammerhead typically measures 2.5–3.5 m (8.2–11.5 ft) long, with a maximum recorded length and weight of 5 m (16 ft) and 400 kg (880 lb) respectively. https://natureoftheworld.fandom.com/wiki/Smooth_Hammerhead?oldid=7430. Weight: 21g Barrel material: Nickel Barrel size: 2.1”/ 5.33 cm Barrel texture: Convex nylon for smooth grip and flight Shafts: 1.5” convex nylon Flights: 1x/dart. The body is streamlined, without a dorsal ridge between the two dorsal fins. Each tooth is triangular in shape, with smooth to weakly serrated edges. 3. It is estimated that 1.3 to 2.7 million fins are collected each year from smooth and scalloped hammerhead sharks for the shark fin trade.2 Smooth hammerhead sharks are also valued for their liver oil, which is used in vitamins, as well as their meat, which is cooked for human consumption in Floridian and Caribbean markets. These rounded heads give smooth hammerhead sharks superior depth perception and a 360-degree view of their surroundings.1, The smooth hammerhead shark is one of the larger hammerhead species, reaching average lengths of 8 to 11.5 feet (2.5 to 3.5 m) and a maximum length 16.4 feet (5 m) and weight of 880 pounds (400 kg).1, Smooth hammerhead sharks mate via internal fertilization and give birth to live young. The first dorsal fin is moderately tall and falcate (sickle-like) in shape, with a rounded tip. If these pups survive to adulthood, they may live for 20 years or longer.2, The smooth hammerhead shark is a highly mobile species that can be found worldwide in coastal, temperate and tropical waters. On an average basis, the hammerhead shark ranges from 1m to 6m+, with the largest being the Great Hammerhead. 11. The great hammerhead is the largest of the nine identified species of this shark. The name comes from the characteristic head shape resembling a hammer. The Smooth Hammerhead (Sphyrna zygaena) is a species of hammerhead shark, family Sphyrnidae. The smooth hammerhead differs from other large hammerheads in the shape of its cephalofoil, which has a curved front margin without an indentation in the center. However, it has been recorded diving to a depth of 200 m (660 ft). http://ow.ly/HoEaH, Cephalopods, Crustaceans, & Other Shellfish, Oceana Wins Lawsuit to Protect Overfished Dusky Sharks, Arabian Sea sharks may be the most threatened in the world, Less than 15 days left this Congress to help sharks, Oceanic Whitetip First Shark Listed as “Threatened” in the Continental U.S. Atlantic. A large hammerhead with a notch at the center of head; 1st dorsal fin moderately high, 2nd dorsal and pelvic fins low (Ref. Fins nearly plain, dusky or blackish tipped (Ref. The cephalofoil is wide but short, measuring 26–29% of the body length across. Maximum weight is … The smooth hammerhead is an active-swimming predator that feeds on bony fishes, rays, sharks (including of its own species), cephalopods, and to a lesser extent crustaceans such as shrimp, crabs, and barnacles. The great hammerhead and the smooth hammerhead are the biggest with a length of 20 ft (6.1 m). This shark is potentially dangerous and has likely been responsible for a few attacks on humans, though it is less likely to encounter swimmers than other large hammerhead species due to its temperate habitat. 5578). Smooth hammerhead sharks grow to a maximum length of 16.4 feet (5 m) and weight of 880 pounds (400 kg). However, it has been recorded diving to a depth of 200 m (660 ft). There are 9 known species of Hammerhead Sharks and their size ranges from 0.9 to 6 meters (3 to 20 feet) in length. 1. Sign up today to get weekly updates and action alerts from Oceana. The second-largest hammerhead next to the great hammerhead, the smooth hammerhead typically measures 2.5–3.5 m (8.2–11.5 ft) long, with a maximum recorded length and weight of 5 m (16 ft) and 400 kg (880 lb) respectively. On average, female smooth hammerhead sharks give birth to 33 pups per litter. Family Sphyrnidae. Teeth and Jaw: There are 26–32 tooth rows in the upper jaw and 25–30 tooth rows in the lower jaw. Unlike the brownish color of many otherhammerhead shark species, its primary color on the top is olive green or dark gray-brown andwhite underneath. Compared to the scalloped and great hammerheads, the smooth hammerhead stays closer to the surface, in water less than 20 m (66 ft) deep. The smooth hammerhead is an active-swimming predator, predominantly feeding on squid and teleosts (Casper et al 2005). The cephalofoil is wide but short, measuring 26–29% of the body length across. As of 01 June 2017 this page will serve as a demo for the Fishweights mobile apps. It is distinguished from other hammerheads by its rounded head (cephalofoil) that’s free of notches seen on other species, such as the scalloped hammerhead shark and the great hammerhead shark. Capable of reaching up to 20 feet in length, an adult great hammerhead can be a thousand pounds in weight. Smooth hammerhead sharks do not have a mid-dorsal fin, contributing to the “smoothness” of species.4. Smooth hammerhead sharks typically stay in shallow waters around 65 feet (20 m) deep but have been spotted at depths up to 656 feet (200 m). English language common names include great hammerhead, squat-headed hammerhead shark (Denham, et al. 4. There exist seven species. Average Weight:The maximum recorded weight is 880 pounds. The hammerhead family ranges from dark brown to grey on their dorsal side and have a grey or white belly, sometimes even olive in colour which performs as a sort of camouflage while hunting. The Karoo 2 truly expands the horizons on what is possible for a GPS head unit. 2. Three Hammerhead species can be dangerous to humans: the Great Hammerhead shark, the Scalloped Hammerhead shark and the Smooth Hammerhead sharks. The Smooth Hammerhead, Sphyrna zygaena, is a member of the Hammerhead Shark or Sphyrnidae Family, and is Nature of the World Wiki is a FANDOM Lifestyle Community. Sign our petition to tell GrubHub to take shark fin off the menu now – before the ocean’s most iconic predators disappear. hammerhead Aggressive shark found in tropical marine waters and warmer temperate zones.

Hammerhead Sharks are known to eat a large range of prey including fish, octopus, squids, stingrays are the favorite one of these sharks. Worldwide in temperate and tropical waters, Class Chondrichthyes, Order Carcharhiniformes (Ground sharks), Family Sphyrnidae (Hammerhead sharks), The smooth hammerhead shark is one of nine species of hammerhead sharks. A relatively common shark, it is captured, intentionally or otherwise, by many commercial fisheries throughout its range; its fins are extremely valuable for use in shark fin soup. They readily scavenge from fishing lines. Maximum weight is 400 kg (882 lbs). These sharks prefer to hunt in dawn and dusk as twice a day. Take your favorite fandoms with you and never miss a beat. Our Pre-order Gift Card gets you one of our next batch of Karoo 2 units that will ship in March! 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. The average size of the Smooth Hammerhead ranges between 8-12 feet in length with a maximum recorded total length of 16 feet. Be the first to get Karoo 2 for the 2021 riding season or give it to a cyclist you love for the Holidays! Hammerhead sharks, or sphyrnids, are perhaps the most distinctive and unique of all sharks. Oceana joined forces with Sailors for the Sea, an ocean conservation organization dedicated to educating and engaging the world’s boating community. It is coastal-pelagic and semi-oceanic and occurs on the continental shelf, to 200 m depth (Ebert 2003). It can be recognized by its head, which is extended sideways into two hammer-like lobes, with one eye and one nostril located at the tip of each. We have already protected nearly 4 million square miles of ocean and innumerable sea life - but there is still more to be done. This shark has also been reported entering freshwater habitats, such as the Indian River in Florida. The smooth hammerhead shark is one of the larger hammerhead species, reaching average lengths of 8 to 11.5 feet (2.5 to 3.5 m) and a maximum length 16.4 feet (5 m) and weight of 880 pounds (400 kg). The smooth hammerhead shark (Sphyrna zygaena) is found worldwide in temperate and tropical seas (Casper et al 2005). The anal fin is larger than the second dorsal fin, with long free rear tip and a strong notch in the rear margin. In northern Europe, the smooth hammerhead feeds on herring and seabass, while in North America it takes Spanish mackerel and menhaden. During the day it swims about in so-called “schools” (groups) of up to 100 animals. The smooth hammerhead Sphyrna zygaena (Sphyrnidae) is a pelagic shark occasionally caught as bycatch in pelagic longline fisheries, but is one of the least studied of all pelagic sharks. Click here or below to download hands-on marine science activities for kids.
Sharks are associated with law and order. Fish caught from coastal waters off Puerto Los Cabos, Baja California Sur, July 2008. These electroreceptors allow smooth hammerhead sharks to more accurately locate prey, especially those buried in the sand like stingrays.3 Smooth hammerhead sharks use their hammer-shaped heads to pin down their favored food, stingrays.2, Adult smooth hammerhead sharks have no natural predators, but may very rarely experience predation from opportunistic killer whales that are lacking their normal food sources. At night it goes hunting on its own. In the summer, smooth hammerheads migrate … Although many populations are overfished beyond the smooth hammerhead shark’s high reproductive capacity, others are not, giving the species a global status of vulnerable to extinction.2. 3. Because we wish we could ship this s SMOOTH HAMMERHEAD SHARK (HHS) It is unknown what proportion of hammerhead sharks are released alive from the surface longline fishery. THE WINGHEAD SHARK HAS SOME CRAZY PROPORTIONS. Description Edit. They are active predators that eat a variety of prey also found in coastal waters, including fish like hake, dolphins, skates and rays, crustaceans, cephalopods (octopus and squid), sea snakes and other sharks. If you want to give a Karoo 2 as a holiday gift, you can purchase a gift card here . They can range in weight from 3 to 550 kg. The back is dark brownish gray to olive in color, in contrast to the simple brown of most other hammerheads, becoming lighter on the flanks. These carnivores can grow up to 18 feet long (5 m) and weigh as much as 800 pounds (360 kg). They are hunted for their fins, as well as their meat. Because of their coastal habitats and valuable fins, smooth hammerhead sharks are caught intentionally and as bycatch by a variety of fishing gears, including gillnets, longlines, handlines, bottom trawls and purse-seines. In some areas, stingrays are a favored prey and comprise a majority of its diet. Additional features: Not much to speak of; Next up are, in my opinion, the best darts for “serious” beginners. Characterized by a broad, smooth, spade-like head, it has the smallest cephalofoil (hammerhead) of all Sphyrna species. Smooth hammerhead sharks are responsible for only 21 recorded unprovoked attacks on humans, resulting in 2 fatalities. The smooth hammerhead can reach a maximum length of 5 m (16 ft), though the average is smaller, about 3 m (10 ft). The species reaches an average length of 13.1 feet (4 m) and weight of 500 pounds (230 kg). However, the massive predator is evidently weaker than the voracious appetite of humans that values this important creature as a 100 dollar delicacy. There are 26–32 tooth rows in the upper jaw and 25–30 tooth rows in the lower jaw. Smooth Hammerhead, Sphyrna zygaena. It is grey above and white below. The second-largest hammerhead next to the great hammerhead, the smooth hammerhead typically measures 2.5–3.5 m (8.2–11 ft) long, with a maximum recorded length and weight of 5 m (16 ft) and 400 kg (880 lb) respectively. 4. Off South Africa, smooth hammerheads feed on squid such as Loligo vulgaris and small schooling fish such as pilchard over the deep coral reefs at the edge of the continental shelf, with individuals over 2 m (6.6 ft) long taking increasing numbers of smaller sharks and rays. The belly is white, and sometimes the pectoral fins have dark edges underneath. Smooth hammerhead sharks are known to cannibalistically eat smaller members of their own species.1, Like most sharks, smooth hammerhead sharks have special sensory cells in their heads used to detect electric fields produced by other fishes. Weight: 18 kg (40 lbs). The smooth hammerhead shark is named for its smooth, un-notched head that’s unlike other hammerhead shark species. The hammerhead shark has been named after the shape of its head, which resembles a hammer. This shark has also been reported entering freshwater habitats, such as the Indian River in Florida. The longest great hammerhead shark ever recorded was 20 feet (6.1 m) long, and the heaviest great hammerhead shark ever recorded was 991 pounds (450 kg). The pectoral and pelvic fins are not falcate, rather having nearly straight rear margins. The apps work offline thus can be used anywhere at any time. 2. Juvenile smooth hammerheads are vulnerable to predation from other shark species, as well as adults of their own species.1, Smooth hammerhead sharks are overfished throughout much of their geographic distribution. Smooth hammerheads can grow a couple of feet longer, but the great hammerhead is by far the largest. Other common names used are: Arabic: Abu Garn, Akran‎, Jarjur Finnish: Isovasarahai French: Grand requin marteau German: Großer hammerhai Greek: Megalozygena Italian: Grande squalo martello, Pesce martello maggiore Japanese: Nami-shumokuzame, Hira-shumokuzame Malay: Hiu tukul, Hiu pa… The dermal denticles are densely packed, each with 5–7 horizontal ridges (3 in juveniles) leading to a W-shaped rear margin. Olive-grey or dark grey above, white below (Ref. They may live for 20 years or longer. Length: 1.5 m (4 ft 11 in). The smooth hammerhead differs from other large hammerheads in the shape of its cephalofoil, which has a curved front margin without an indentation in the center. Weights are calculated with parameters supplied by local and international fisheries scientists. Compared to the scalloped and great hammerheads, the smooth hammerhead stays closer to the surface, in water less than 20 m (66 ft) deep. In the summer, smooth hammerheads migrate poleward to stay in cooler water, heading back towards the equator in winter. * Hammerhead is in the process of fulfilling Karoo 2 pre-orders, with regular sales expected to begin March 2021. These pups are raised in nursery habitats of sandy, shallow waters no deeper than 33 feet (10 m). Length: to 6.1m (20ft); weight: to 906kg (2000lb). Calculate the weight of over 300 saltwater fish species found in Southern African waters. Their pectoral fins have black tips at the underside. The second largest hammerhead next to the Great Hammerhead, the Smooth Hammerhead typically ranges between 2.5 to 3.5 m (8 to 12 ft) long, with a maximum length of 5 m (16 ft) and a maximum weight of 400 kg (880 lbs). 5578). The scalloped hammerhead isn’t the only species which creates schools: The smooth hammerhead (Sphyrna zygaena) also travels in groups. They are found alone or in small groups, and sometimes form large schools of over 100 when migrating to cooler waters in summer. 1 They weigh between 500 to 1000 pounds. 2007). It prefers inshore waters such as bays and estuaries, but is sometimes found in the open ocean over the continental shelf, and around oceanic islands. 5. Typically, bonnethead sharks are about 2–3 ft (0.61–0.91 m) long, with a maximum size of about 5 ft (150 cm). The smooth hammerhead can reach a maximum length of 5 m (16 ft), though the average is smaller, about 3 m (10 ft). The body is grey-brown above and lighter on the underside. Smooth Hammerhead, Sphyrna zygaena. In 2010, at CITES CoP15, Palau and the United States proposed three hammerhead species for Appendix II: Scalloped hammerhead - Sphyrna lewini, Great hammerhead shark - Sphyrna mokarran, and Smooth hammerhead - Sphyrna zygaena. Previous to scientific research, it was thought that the cephalofoils were used to enhance poor vision in the shark but studies have shown that not only do the … Males mature at 4.6 to 5.4 ft [140 to 165 cm], and females mature at approximately 7 ft [212 cm]. The nostrils are located near the ends of the cephalofoil, with long grooves running towards the center. A great way to get involved in protecting #oceans: Join Oceana as a Wavemaker & sound off on important issues! It prefers inshore waters such as bays and estuaries, but is sometimes found in the open ocean over the continental shelf, and around oceanic islands. We are restoring the world’s wild fish populations to serve as a sustainable source of protein for people. It can grow up to 20 feet in length and weigh up to 1,000 pounds, although smaller sizes are more common. Females tend to be larger than males. Smooth hammerhead sharks have one of the highest reproductive rates of open ocean fishes, birthing anywhere from 29 to 53 pups at a time.1. Large scalloped hammerhead sharks also eat small-sized shark species such as the Atlantic sharpnose shark (Rhizoprionodon terraenovae) or the blacktip reef shark (Carcharhinus melanopterus). The Scalloped Hammerhead was the first Hammerhead Species to be put on the endangered species list in 2014, and this is the species most commonly sought after using illegal fishing practices. Figure 1: Mass of hammerhead shark statisticalper area caught by set net [left] and longline [right] fisheries. FishWeights is an online fish weight calculator that allows anglers to estimate the weight of their catch from a measurement. Smooth hammerhead sharks are large sharks with a rather steeply ascending first dorsal finwhich tapers into a sickle form at the back. Great hammerhead sharks are believed to be cannibalistic, eating their own species if need be. 13562). 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