The US National Marine Fisheries Service (NMFS) has decided not to add the great hammerhead shark (Sphyrna mokarran) to the Endangered Species List. Hammerheads are fish that are grey-green to olive in coloration, and they have bright white bellies. They live to be about 30 years old. wildlife 12:28pm Apr 24, 2023. Hammerhead sharks are voracious predators and their mallet-shaped heads boost their ability to find that which they like to eat. Hammerhead sharks can grow up to 20 feet long and weigh over 1,000 pounds. However, the implementation of shark nets around beaches has also contributed to their decline. From 1580 to 2012, 37 hammerhead shark attacks have been reported; 17 of these attacks were unprovoked and none fatal. Bull sharks have rounded bodies and small eyes, while hammerheads have larger bodies and distinct hammer-like heads with their eyes on the sides. Sharks in the Streets, Homes Floating Away; Monster Storm Ian Now Heads to Georgia and Carolinas. While swimming in cold, deep waters, scalloped hammerhead sharks have an unusual way of. Like other sharks, Scalloped Hammerheads practice internal fertilization. After blocking some of the animals' nostrils, the scientists then took the animals on a cruise to deeper waters. Swimmers, surfers and boaters all took to the water at Burleigh Heads on the southern Gold Coast last weekend after drones and underwater cameras spotted dozens of scalloped. Meet the scalloped hammerhead shark. It is found in tropical and warm temperate waters worldwide, inhabiting coastal areas and the continental shelf. Winghead shark – S. Seeker Land. The great hammerhead is the largest of the hammerheads in the family Sphyrnidae. The hammerhead sharks are a group of sharks in the family Sphyrnidae, so named for the unusual and distinctive structure of their heads, which are flattened and laterally extended. The baby hammerhead shark is one of the smallest sharks that are born in the ocean. All about Sharks - Hammerhead Sharks. This shark's distinctive head is designed for greater agility and panoramic vision, making the hammerhead a hunter to be reckoned with. This is the main reason that sand tiger sharks are critically endangered. However, even within this distinctive group the hammerhead sharks that make up the Sphyrnidae family have attracted a special attention due to the unusual shapes of their namesake heads, called. Klimley, A. Great Hammerhead. WORLD. It’s a picturesque punctuation mark along the Gold Coast and most definitely somewhere to pause. This increased drag reduces the speed and maneuverability of. In their 400 million year evolutionary history, elasmobranch fishes (sharks, skates and rays) have evolved a rich morphological diversity (Karatajute-Talimaa, 1992; Capetta et al. In more modern times the record for the largest hammerhead shark ever caught in Florida goes to Captain Bucky Dennis who hauled in a 1,280-pound, 14. Most tales put Big Mo at the old Bahia Honda Bridge, while others have claimed to spot it,. The body is stout and classically shark-shaped with a markedly tall, curved, first dorsal fin. Unlike most sharks, many species of hammerheads are social, and swim in schools during the day. A stock photo shows a hammerhead shark. Hammerhead sharks are found worldwide in warmer waters along coastlines and continental shelves. 2. Adult tiger sharks don’t think twice about snacking on a baby hammerhead, or two. Relative to it’s own body, it’s almost half as wide as it’s body is long! They reach up to around 2m (6 foot), so their head is around 1m (3 foot) in width. Lifespan Hammerhead sharks can live 20-30 years. Reproduction. Since 2017 Natura Pacific has developed ‘Back from the Brink’, the first venture of its kind to showcase a series of short films and podcasts about South East Queensland’s most threatened plants and animals, what is happening to them, and how we can help save them from extinction. About six hammerheads dodged. However, they have been found at depths of 984 feet. Although the cephalofoil’s exact function is unknown, it is thought to aid in the sharks’ mobility. Why Hammerhead Shark Heads Are "T" Shaped. A scuba diver recorded a shiver of endangered scalloped hammerhead sharks swimming beneath her off the Gold Coast’s Burleigh Beach on April 3. This is due to the fact that while hammerhead species. To a greater or lesser extent they all have elongated, flattened lobes projecting from the sides of the head. A 1,000 pound hammerhead was caught off South. 44s. One of the most iconic of all species, hammerhead sharks should be swimming near the brim of any diver's bucket list. Large surfaces tend to be more powerful in motion, so they’re able to switch directions rapidly in pursuit of prey. The great hammerhead shark is the largest of nine hammerhead species. . Dr Michelle McComb. In terms of size, the largest hammerhead, as you might have heard, is the Great Hammerhead, which can reach up to 6 meters long as a fully grown adult (that’s almost. r/GoldCoast. All sharks have electrical sensors in their nose and heads called ampullae of Lorenzini, named for researcher Stephan Lorenzini. Liberal MP Stuart Robert, who claimed 'absolute responsibility' for Robodebt's implementation, to retire from politics. A Gold Coast photographer is still pinching himself after having the “privilege” to swim with hammerhead sharks over the weekend at Burleigh Heads. The hammer-like shape of the head means that hammerhead sharks can sweep for prey more effectively. Habitat. They can be found in almost any tropical water in the Atlantic, Indian, Pacific, and South China Seas. The body size of the known species of hammerhead sharks ranges from 3. 1). These distinctive heads serve multiple purposes, including granting the sharks 360-degree vision as well as better hunting abilities. Hammerhead sharks are apex predators, which means they are at the top of the food chain and have few natural predators. This is due to the hammerhead shark’s famous head shape. There are 10 species of hammerhead sharks. Nature Reporter. Dozens of hammerhead sharks have been spotted off Burleigh Heads prompting swimmers to catch a glimpse It comes as large schools of bait fish move up the coast, attracting sharks closer to shore A marine researcher says the hammerheads pose little threat but that 'bait balls' can pose a risk Swimmers, surfers and boaters all took to the water at Burleigh Heads on the southern Gold Coast last weekend after drones and underwater cameras spotted dozens of scalloped hammerheads cruising. The sharks were each over a metre long, spotted between swimmers at. • Atlantic sharpnose sharks ( Rhizoprionodon terraenovae) are among the most common in North Carolina waters. Location: Tropical Coastlines Worldwide. Scalloped hammerhead sharks have a gestation period of around 12 months and produce larger litters than. These sharks reside in oceans worldwide, particularly in warm waters and near the coast. 45am and again when two sharks “believed to be dangerous. Alien Sharks are Back 9 Photos. The shark is bronze-colored on top and white below predator creature, but its most identifying feature is the “hammerhead. Researchers believe great hammerhead sharks are cannibalistic and sometimes eat their own young. Due to their small size (compared to other shark species), most Hammerheads are harmless to humans. The brood and the mother were likely already dead before they washed ashore, according to city officials. Why Hammerhead Shark Heads Are "T" Shaped. It is found in tropical and warm temperate waters worldwide, inhabiting coastal areas and the continental shelf. If there’s anything scarier than spotting a hammerhead shark in the wild, it’s spotting a school of hammerhead sharks! Unlike many sharks that travel solo dolo, scalloped hammerheads and smooth hammerheads are two species that prefer to travel in packs. 7 feet (0. Socorro Islands, Mexico. Photo By: LagunaticPhoto Next Up. You may want to read to the end and watch the last video in this article, which shows a hammerhead shark attempting to attack two. 4–3 feet (76–91 cm) long, and grow to about 7. A filmmaker dived with hammerhead sharks in a bid to get a shot from inside one of their mouths and raise awareness for shark conservation. A Gold Coast photographer is still pinching himself after having the “privilege” to swim with hammerhead sharks over the weekend at Burleigh Heads. Update June 11, 2023 at 6:00am: Taylor Graham was on Bird Island with his drone when the school of Hammerhead Sharks came swimming through and captured the above video. A major difference between these two sharks is their appearance. 11‰) were higher than those of the silky shark (14. Posted Mon 17 Apr 2023 at 3:42pm. Food choices vary amongst the numerous species of the hammerhead shark. 0:42. 9 to 6. It can be equivalent to half the shark’s total length. They eat tiger sharks as well as other sharks, seals, sea lions, whales, dolphins, turtles, otters, birds, mollusks, and other animals. Squid. 30pm and 6pm. Great hammerhead sharks can grow up to 20 feet in length and weigh over 1,000 pounds, however this is rare. Sharks in the Streets, Homes Floating Away; Monster Storm Ian Now Heads to Georgia and Carolinas. Their theory was backed up by video of scalloped hammerhead sharks swimming at a depth of more than 3,400 ft (1,044 m), with their gills tightly shut, compared with images of them at the water’s. The ancestor of all hammerhead sharks probably appeared abruptly in Earth's oceans about 20 million years ago and was as big as some contemporary hammerheads, according to a new study led by the. Here's a few shots we grabbed on the GoPro#shorts #shark #sharks #goldcoast #bur. 9 to 6. Hammerhead sharks are a species of sharks that are known for their distinctive, ‘hammer’ shaped heads. A female hammerhead shark has given birth without mating. The adults can reach 4 feet in length and are found both in estuarine and oceanic waters, usually during the summer and autumn. Hammerhead sharks are something of a curiosity in the animal kingdom, with their elongated heads and pinprick eyes. Hammerhead sharks are apex predators who use their unusually shaped heads to aid in their hunt for prey. Sharks are thought to be the most abundant on the Darwin and Wolf Islands, with the highest density anywhere in the world. The winghead hammerhead shark has the widest head. Hammerhead shark. Hammerhead Sharks will also dine on the following: Smaller fish. The largest hammerhead shark ever recorded was a massive 14 feet 7 inches long, caught in 2019 by former professional golfer Greg Norman off Palm Beach, Florida. Threatened Species Status: Critically Endangered. The best place to go hammerhead shark diving is Bimini, though they are also found (along with. Commercial fishing is the biggest threat to hammerheads, with 370t of hammerhead sharks legally allowed to be caught every year in Australian waters (1). Dozens of hammerheads have been filmed by stunned locals at Palm Beach as well as off Burleigh Heads in recent weeks. Burleigh MP Michael Hart posted a short video on Facebook from the shore which showed at least one shark in the waves. Squid. I was looking down at the sand on the bottom, thinking how clear it was when a HUGE hammerhead swam straight under me, heading south. Hammerhead sharks attack people typically when they are surprised or startled. Sharks with flat, T-shaped heads are among the most distinguished shark species. This shark can be found at depths ranging from three to 182 meters (10 to 600 feet). Sharpnose sharks use Core Sound and other. abc. 1:10. Dr Michelle McComb. Hammerhead sharks are found in temperate and tropical waters around the world. 9 to 1. Sporting wide, flattened heads known as cephalofoils with eyeballs bulging at each end, hammerhead sharks are among the. The footage showed sharks close to the surface circling one of the fish bait balls. Bimini. 0 to 19. : Drone footage of a shark sighting at Burleigh Heads. They also do not have a mid-dorsal fin, contributing to the “smoothness” of species. Sport. Scalloped hammerhead Sharks Nets Out Now, Burleigh Heads, Gold Coast Hype Digital All rays, including manta rays, stingrays and skates, are thought to have evolved from sharks. The hammerhead shark is a shark species known for the distinctive hammer-like structure. The signage included 10 small signs explaining the Indigenous uses for a variety of native plant life that occurs in the. With that wide, thick head shaped like a double-headed hammer, it's easy to identify a hammerhead shark. 5:30pm Dec 15, 2021. A stock photo shows a hammerhead shark. 7 meters to 4. These sensors can detect weak electric emissions from other sea life. However, hammerhead shark pups held in a shallow seawater pond at the Hawaiʻi Institute of Marine Biology subsequently. 2 to 3. Gold Coast ocean enthusiasts have had an incredible, up-close encounter with a critically endangered shark species after witnessing a magnificent swarming event at a popular beach. Sealife enthusiasts on the Gold Coast have been in for a treat. Hammerhead sharks are voracious predators and their mallet-shaped heads boost their ability to find that which they like to eat. The eyes are located at the ends of the evenly rounded lobes of the flattened head, increasing the field of vision. 5 ft for males, 13. The great hammerhead ( Sphyrna mokarran) is the largest species of hammerhead shark. Cue the shark music — the Jaws theme song or Baby Shark — your choice! This sea wonder is dedicated to hammerhead sharks. The video. With their iconic heads, hammerhead sharks have become an iconic symbol of the ocean. 105. Hammerhead sharks should be the poster child of evolution. Hammerhead sharks employ a rolled swimming technique that allows them to move more efficiently through the water. m. It was the most calming moment, and it was the moment I fell in love with hammerhead sharks. Hammerhead, bronze whaler and bull sharks were spotted by the photographers. A small percentage of the population, mostly or all females, are much larger. Most research on hammerheads has focused specifically on their laterally expanded heads, or cephalofoil, and how they use it to see and smell as well as its effects on hydrodynamics and sensory. Short Summary. Let’s start with a quick summary of the different species of hammerheads and their favorite meals. By Dive Training. The great hammerhead can reach a maximum length of about 20 feet, but their average length is about 12 feet. Over time natural selection has actually shrunk the size of the hammer. The footage showed sharks close to the surface circling one of the fish bait balls. Subscribe and 🔔 to the BBC 👉 the BBC first on iPlayer 👉 SUBSCRIBE to the OFFICIAL BBC. One of the more unique looking sharks is the hammerhead sharks, which have hammer-shaped heads. 7 meters to 4. They are about 13 feet long and 500 pounds. Meanwhile, just a hundred metres offshore at Burleigh Heads, a stand-up paddleboarder caught dozens of scalloped hammerhead sharks on camera. Get in touch. The mystery may now be solved by a study showing that a hammerhead gives sharks outstanding binocular vision and an ability to see through 360 degrees. Habitat. Seychelles. Consider the example provided by the wonderfully bizarre hammerhead sharks. The wide expanse of head allows for a broader spread of highly specialized sensory organs that they use to find food. RESOURCES. Swimmers catch a glimpse of Hammerhead sharks off Burleigh Heads. . Over time natural selection has actually shrunk the size of the hammer. Source: Queen's University Belfast. The Coral Sea, off the coast of Queensland, is particular hotspot of shark diversity in. Collofello told Storyful that she first swam with the sharks in March after local drone. Close encounter: A baby hammerhead shark caught at the southern end of. The research highlighted the surprising transformations that bonnethead shark embryos, a species of hammerhead, experience during their growth. All sharks are predators, but in general, the shape of their heads and position of their eyes provide only a small (about 10-degree) stereoscopic visual field in front of them. We asked a biologist what it all means. interface language. These formidable creatures inhabit warm tropical and. Scientific Name: Sphyrna Mokarran Size: 13-20 feet (4-6 meters); 500-1,000 pounds (230-450 kilograms) Conservation Status: Endangered Distribution: Wide: Tropical and warm temperate waters of the Atlantic, Indian, and Pacific Oceans The Great Hammerhead is a species of hammerhead shark known for its large size, with adults reaching lengths of. 9. Join us on the modern, roomy new Reef Empress, our 35 metre catamaran that takes you directly to the only navigable lagoon on the Great Barrier Reef, Lady Musgrave Lagoon. 3 m) at maturity. The hammerhead shark species is a fascinating and unique family of sharks. There are different types of hammerhead sharks. 3 meters in length, with a top weight of 150 kilograms. blochii), which has one of the widest heads. 0 meter). This shark has been said to approach and rush toward divers, swimmers, and surfers when sudden movements are made. These cartilaginous. • Atlantic sharpnose sharks ( Rhizoprionodon terraenovae) are among the most common in North Carolina waters. A Dive into Hammerhead Sharks' Physical Traits. “Even the sound of bubbles scares them away,” says marine ecologist and National Geographic explorer Pelayo Salinas, who studies the animals in the Galapagos. These sharks spend most of their time in the deeper, murkier portions of Kāneʻohe Bay, where little sunlight penetrates. 9 ± 0. You can tell it from other hammerheads by the ridges along the front edge of its head. If you have a question you’d like an expert to answer, send it to [email protected] sharks cruise the highways of the ocean by detecting magnetic fields. Queensland MP for Burleigh, Michael. Crystal Fox less than 2 min read Scalloped hammerhead sharks off the Gold Coast. Why do hammerhead sharks have weird shaped heads? Join shark scientist Kristian Parton and Come and learn some facts about hammerhead sharks. Sharks have special sensory pores called “Ampullae of Lorenzini. You can tell it from other hammerheads by the ridges along the front edge of its head. Scalloped hammerhead sharks (Sphyrna Iewini) have a thick, wide head shaped like a double. Video recorded by Laurel Collofello shows her pan her camera to show the large school of juvenile scalloped hammerhead sharks swimming near the ocean floor. hammerheads : Hammer Heads Maintenance and Contracting services in Dubai. Hammerhead sharks face a number of challenges caused by their unique head shape. 2 to 3. Hammerhead sharks are famous for their widely separated nares on their distinctive "hammer" heads, which enhance their ability to determine the direction of smells—think of it as stereo-olfaction. A Carolina hammerhead has fewer vertebrae and is genetically distinct from other hammerhead species. With that wide, thick head shaped like a double-headed hammer, it's easy to identify a hammerhead shark. The most significant issue is the problem of hydrodynamic drag, which has been observed to be higher in hammerheads than in other sharks due to their wide heads and narrow bodies. couardi. Unlike most sharks, hammerheads usually swim in. A hammerhead caught in shark nets off the Gold Coast in 2019. Gold Coast ocean enthusiasts have had an incredible, up-close encounter with a critically endangered shark species after witnessing a magnificent swarming event at a popular beach. Snorkellers' 'disheartening' behaviour. At least 3000 hammerhead pups were caught in nets between 1962-2000. Habitat. However, the nares of whale sharks are actually larger and more widely separated than even the largest hammerhead. Dozens of hammerheads have been filmed by stunned locals at Palm Beach as well as off Burleigh Heads in recent weeks. They have a grayish-brown to light gray. David Finlay, the drone operator, called the surf lifesavers on the phone and notified them immediately of the situation. Video recorded by Laurel Collofello shows her pan her camera to show the large school of juvenile scalloped hammerhead sharks swimming near the ocean floor. 1987. The shark had reportedly found its way into a canal in Burleigh Waters which had swollen its banks after heavy rainfall in the area. An adult hammerhead weighs about as much as a piano. To this day, I love seeing them every time. Thresher Sharks 6 Photos. Hammerhead sharks live all over the place! They go back and forth from the shoreline out to deep waters offshore. The finding is published in the Journal of Experimental Biology. 105. While the smallest species, bonnethead shark, has an average size of 3. One of the most unique features is the dorso-ventrally compressed and laterally expanded cephalofoil of the hammerhead sharks (Elasmobranchii,. The best place to go hammerhead shark diving is Bimini, though they are also found (along with. Although commercial fishing is the biggest threat to the species, other divers who ventured over to Burleigh Heads on the weekend raised other concerns. Hammerhead sharks demonstrate a considerable variety in sizes and weights, with the most significant species measuring up to 20 feet long and weighing. The Bluewater Travel team has selected the 4 most reliable locations in the world for scuba diving with hammerhead sharks: 1. Hammerhead sharks ( Sphyra) are one of the most distinguishable sharks in the oceans. . Baby hammerheads are born 2. Rangiroa. A Gold Coast photographer is still pinching himself after having the “privilege” to swim with hammerhead sharks over the weekend at Burleigh Heads. Hammerhead sharks eat a large range of prey such as fish (including other sharks), squid, octopus, and crustaceans. 9 feet (0. This question has persisted since hammerheads were first described over 200 years ago. : Drone footage of a shark sighting at Burleigh Heads. The largest hammerhead shark ever measured was 14 feet, 7 inches long. The great hammerhead ( Sphyrna mokarran) is the largest species of hammerhead shark, belonging to the family Sphyrnidae, attaining an average length of 4. “Old Hitler” was a huge hammerhead around 20 to 25 feet long that roamed Florida. WATCH: we spotted a school of hammerhead sharks off the coast of Rockingham this morning. The 10 diverse hammerhead shark species are all distinguished by this peculiar head form. Their maximum length is about 990 pounds. The winghead hammerhead shark has the widest head. Posted Mon 17 Apr 2023 at 3:42pm. Petrol bomb, pig heads thrown at family homes by loan sharks. The sharks close their gills to stay warm while hunting in deep, frigid waters, new research suggests. This is the only known pink manta ray in the world. Hunting. Reaching a length of 1. Researchers are looking for answers. A monster 1,300-pound hammerhead shark has been filmed feasting on a 6-foot shark in Florida. Save. Zimy Da Kid took his. Experts generally agree that hammerhead sharks’ widely-spaced eyes, nostrils and electroreceptors allow the hunters to better pinpoint their prey. For instance, this occurs when a person is spearfishing and gets mistaken for a fish. Sharpnose sharks use Core Sound and other. 5 to 3. We took to the waters at sunrise with our GoPro to witness this rare underwater event with hundreds of juvenile scalloped hammerhead. This new shark species is relatively young and arrived roughly 25 million years ago, while other sharks roamed the ocean with dinosaurs. 1. 2, 2. While more than 400 species of sharks are found worldwide today, about 170 of them inhabit Australian seas, from the world’s largest, the whale shark, to one of the smallest, the pygmy shark, and of course, the equally fascinating and fearsome great white. Why do hammerhead sharks have hammer. When swimming, the head rolls from side to side. 3a/43 Goodwin Terrace, Gold Coast, Queensland 4220 Australia +61 7 5661 9050 Website Menu. This reduces drag while also increasing the animal’s “wingspan. While the smallest species, bonnethead shark, has an average size of 3. The mystery may now be solved by a study showing that a hammerhead gives sharks outstanding binocular vision and an ability to see through 360 degrees. 30pm and 6pm. A shark’s anterior binocular vision allows it to see directly ahead, show the two eyes’ fields of vision overlap, and calculate the distance of its prey. really awkward-looking ones — specifically, the nine species of. On average, they grow up to 13 feet. Why is the head of a hammerhead shark shaped like a hammer? Noise off XS Festival. Eats crustaceans, mollusks, fishes (including sharks), marine mammals. Hammerhead sharks are among the most intriguing yet imperiled groups of large sharks globally. As mentioned, this species of shark has a head that is wide like the head of a hammer and then a long handle as it goes back to the rest of the body. The shark's eyes are. Subscribe: National Geographic:National Geographic is the worl. Date: May 23, 2007. This is a large West African species similar to the scalloped hammerhead. 5 m (11 ft) long and weighs over 230 kg (510 lb). Burleigh Heads beach was closed twice on Thursday, first when a “four-foot shark” was spotted roughly 150 metres offshore at 8. The average great hammerhead measures up to 3. ”. That said, these types of encounters are still rare, and hammerhead sharks. The great hammerhead can reach a maximum length of about 20 feet, but their average length is about 12 feet. Plus, attoseconds physics wins Nobel Prize and a huge new satellite outshines nearly every star in the sky. The Bahamas is famous for its hammerhead shark diving and is the best place for great hammerhead shark encounters. Bonding: Hammerhead sharks swim in groups in the waters around Serua Island, Maluku. RELATED: Cheeky kookaburra caught in backyard act The bull. Crystal Fox. 2. Orange Beach, Ala. The shark is bronze-colored on top and white below predator creature, but its most identifying feature is the “hammerhead. Hammerhead sharks do not attack people, as humans are not their normal prey, but instead hammerheads will aggressively hunt down other sharks, rays, tarpon, smaller fish, octopuses, squid and crustaceans. The great hammerhead is dusky brown to light gray on the dorsal. The sharks were each over a metre long, spotted between swimmers at. The bonnetheads at the aquarium were all female, and in 2001, one of them had a virgin birth, that is to say, birth without the contribution of a male. Behind the Science of Tiger Queen 7 Photos. Hammerhead sharks live all over the place! They go back and forth from the shoreline out to deep waters offshore. Found in the warm waters around Central America, Southern America, Africa, Asia, and Australia, hammerheads live for around 20 to 30. The hundreds of sharks captured encircling the dinghy were. 1. Hammerhead Sharks will also dine on the following: Smaller fish. They are most easily recognized by their distinct, hammer-shaped heads. A Gold Coast photographer is still pinching himself after having the “privilege” to swim with hammerhead sharks over the weekend at Burleigh Heads. 5. Thus, you would be able to differentiate a hammerhead from a bull shark at a. Scalloped hammerheads are carnivorous, eating fish, cephalopods, crustaceans, and smaller sharks and rays, and have a lifespan of up to 55 years. Huge groups of hammerheads have been spotted close to shore hungry and on the hunt for warm water. It’s thought that after a hammerhead rolls sideways, the creature’s first dorsal fin acts like one of the pectoral fins. Hammerhead sharks, caught both in the longline and purse seine fisheries, are among the top shark species caught in the eastern Pacific Ocean. Scalloped hammerhead sharks can dive to depths of more than 2,600 ft (800 m) to hunt for squid and other food. Once there you will see exactly what we mean by the Best Snorkel Tour Experience on the Great Barrier Reef. VIDEO. ” Legend has it the 18-foot Great Hammerhead had eyeballs “as big as baseballs” and weighed close to 1,000 pounds. . 1 m) and a maximum known weight of up to 20 tons (20 metric tons). What an EPIC day at Burleigh Heads getting to swim with juvenile hammerhead sharks. Other species of hammerhead shark are much smaller, with the smallest, the bonnethead shark, growing to a maximum length of just 3. Only time and further research will tell for sure. The width of the head is 23-28% of the hammerhead shark’s body length. Hammerhead sharks demonstrate a considerable variety in sizes and weights, with the most significant species measuring up to 20 feet long and weighing. The winghead shark (Eusphyra blochii) is a species of hammerhead shark, and part of the family Sphyrnidae. About six hammerheads dodged. Hammerhead sharks are a group of nine shark species out of more than one. The average length of hammerhead sharks spans from 15 to 20 feet, with an average weight of over 500 pounds. Hammerheads have special sensors on their heads that detect the electrical signals of other animals. Gold Coast surfers have been treated to some extraordinary close encounters with critically endangered sharks in recent weeks.