Many sharks are viviparous, meaning they give birth to live young. Everyone who works here has at least one pet, and most of us have more than one. After their prey is crushed, it is suctioned into the shark's esophagus. Unlike most species that have straight heads with notched edges, those of bonnetheads are smooth and rounded between the eyes. Other articles where Bonnethead shark is discussed: None. The bonnethead has a shovel-shaped head with a smooth edge. The head is shaped like a shovel with eyes on opposite sides. They can weigh up to 24 pounds. The bonnethead shark is the smallest shark in the hammerhead family. Typically, harmless to humans, but can bite if mishandled during catch and release. They typically live in water that is less than 20 feet deep. The bonnethead shark (Sphyrna tiburo), also known as the bonnet shark, bonnet nose shark, and shovelhead shark is one of nine species of hammerhead sharks. Though their population is static, they are extensively hunted during sea fishing. Size: The typical length is 2 to 3 feet (0.61 to 0.91 m) (maximum of 5 feet), … The set of teeth at the front are symmetrical with a sharp central cusp. This might go without saying, but here at Stuffed Safari we love animals. Bester, Cathleen. Most other species only grow to 4 meters (13ft). 2005. Being omnivorous, they consume both animal and plant matters. Habitat: In shore mud/sand flats. Tony Hisgett/Wikimedia Commons Bonnethead shark. Probably the smallest species of hammerhead shark, the scalloped bonnethead measures up to 92 cm long. They form a sister group to the tunicates, together forming the olfactores. Your email address will not be published. They have a gray dorsal surface and a lighter belly. Leopard sharks have a tooth pattern that is called “pavement-toothed.” Leopard pups are … View all available Bonnethead Shark Pictures in the Shark Pictures Database Common Names: Bonnethead shark Latin Name: Sphyrna tiburo Family: Sphyrnidae Identification: Leading edge of hammer well rounded (spade-like). The age of maturity of the pups is attained when the juveniles are approximately 75 cm (30 in) in length. Bonnethead sharks feed primarily on crustaceans, but they also eat clams, octopuses and small fish. They form a sister group to the tunicates, together forming the olfactores. The shark occurs off the American coast, ranging from New England to the Gulf of Mexico and Brazil, as also, from southern California to Ecuador. Name of animal-plant: Bonnethead shark Species name: Sphyrna tiburo Animal type: FISHA fish is any member of a group of organisms that consist of all gill-bearing aquatic craniate animals that lack limbs with digits. Scalloped Bonnethead. During the summer it is common in the inshore waters of the Carolinas and Georgia; in spring, summer, and fall, it is found off Florida and in the Gulf of Mexico. However, their diet list is usually dominated by marine crustaceans, mostly the blue crabs. Females typically are larger than males. The bonnethead shark has counter shading, grey-brown on the top and lighter grey on the underside. Bonnethead sharks are considered harmless to humans. The shovel-shaped head of the bonnethead shark provides them with an increased field of vision because the eyes are on opposite sides. The female bonnethead sharks are larger as compared to males. The bonnethead Sphyrna tiburo (Linnaeus 1758) is a member of the family Sphyrnidae, the hammerhead, bonnethead, or scoophead sharks. Bonnetheads are the second smallest shark in the hammerhead family, averaging 30 to 48 inches long with a maximum reported total length of 59 inches. At birth, the young sharks measure 30-32 cm (12-13 in), with an approximate weight of about 172 g. The survival of the baby bonnetheads, especially the newborn ones, primarily depends on size-selective predation by other marine creatures. There are 4 to 16 pups born in each litter. It inhabits waters that are usually warmer than 70°F (21°C). Fins: Compared to other hammerhead shark species, the pectoral fins of the bonnetheads are larger and more developed in proportion to their body size. These sharks are viviparous... meaning that they give birth to live young in shallow waters after a 4- to 5-month gestation period, which is the shortest known for all sharks. Size: The typical length is 2 to 3 feet (0.61 to 0.91 m) (maximum of 5 feet), with the females being usually larger. Compagno, L., Dando, M. and S. Fowler. She serves as the executive director of the Blue Ocean Society for Marine Conservation. They are known in several other names, including bonnet shark, bonnet hammerhead shark, and bonnetnose shark, and are often displayed in aquaria. Bonnethead sharks prefer water temperatures over 70 F and make seasonal migrations to warmer waters during the winter months. Bonnethead Shark Information & Facts. They can form large schools that contain other types of sharks. The back teeth are in the shape of flattened blades to help them crush the shells of the prey (mostly crustaceans). Bonnethead sharks are common to the inshore waters of North Carolina during the summer and fall. Find quick information and fun facts with these 1-page easy resources about animals from A to Z. These sharks must remain in motion at all times in order to survive since they would sink if they do not keep moving. The animals were fed a meal every day that consisted of 90 percent seagrass and 10 percent squid. Bonnethead sharks are about 2 feet long on average and grow to a maximum length of about 5 feet. This increases their ability to specialize in hard prey, like crabs. The bonnethead is also known as the Shovelhead shark because of the special kind of … Accessed July 4, 2012. These sharks need to swim continuously to supply fresh oxygen to their gills. These are social sharks that are most often found in groups numbering from 3 up to 15 sharks. Grey or grey brown dorsum often with small dark spots. When fully grown, it gets to 6 meters in length (20ft) and weighs 170 kilograms (600 pounds). Bonnetheads have a grayish-brown or gray back that often has dark spots and a white underside. The following is the scientific classification of the bonnethead shark: Bonnethead sharks are found in subtropical waters in the Western Atlantic Ocean from South Carolina to Brazil, in the Caribbean and Gulf of Mexico and in the Eastern Pacific Ocean from southern California to Ecuador. Inspire your inbox – Sign up for daily fun facts about this day in history, updates, and special offers. Despite all this, not enough studies have yet been done on this species. Larger sharks, like the tiger sharks and the lemon shark that share a common habitat, are potential predators of the bonnethead species. https://www.thoughtco.com/bonnethead-shark-2291422, https://www.aqua.org/Experience/Animal-Index/bonnethead-shark, http://myfwc.com/research/saltwater/sharks-rays/shark-species/bonnethead/, http://myfwc.com/wildlifehabitats/profiles/saltwater/sharks/bonnethead-shark/, https://www.cnet.com/news/meet-the-bonnethead-the-worlds-first-omnivorous-shark/. Watch this video and learn all about Bonnethead Shark. © 2020 (Animal Spot). Very little is known about the different behaviors of bonnethead sharks. 35 - 40cm at birth. As an example of their travels, in the U.S. they are found off the Carolinas and Georgia in the summer, and further south off Florida and in the Gulf of Mexico during the spring, fall and winter. To conduct their study, the research team caught bonnethead sharks off the coast of the Florida Keys and put them in a large tank at a research facility. The average lifespan of this species is about 6.5 years. These are active fish that swim in small groups in the tropical waters, with each group containing 5 to 15 members. A 2009 study found that bonnethead sharks have a nearly 360-degree vision and excellent depth perception. Owing to their size and shy nature, the bonnethead sharks are considered practically harmless to humans, with only one recorded unprovoked attack attributed to this shark species. Sharks are at the top of the food chain. The front margin is broadly arched, with shallow lateral and medial indentations, and no prenarial grooves. Bonnethead. Body Color: The dorsal side is evenly greyish-brown, while the ventral side has a lighter coloration. They live in shallow bays and estuaries. These sharks have a unique two-phase jaw closing. Females typically are larger than males. These sharks need to swim continuously to supply fresh oxygen to their gills. Recreationally, bonnetheads can provide great sport on light tackle or fly fishing gear. Owing to their high population numbers, this species has been categorized as ‘LC’ (Least Concern) by the IUCN 3.1. Bonnethead sharks are listed as "least concern" by the IUCN Red List, which says that they have one of "highest population growth rates calculated for sharks" and that despite fishing, the species is abundant. They swim slowly toward their prey, and then quickly attack the prey, and crush it with their teeth. The meat is marketed for human consumption as well as processed into fishmeal. Specimens of seagrasses have also been found in their stomach contents. Bonnetheads are a common inshore shark and are often caught in shrimp trawls, longlines, and by recreational anglers, though they are not targeted. At OdySea Aquarium in Scottsdale, AZ we're celebrating Shark Month! Florida Museum of Natural History. Bonnetheads are found in shallow waters in the Western Atlantic from North Carolina south to southern Brazil, including most of the Caribbean and Gulf of Mexico. The teeth are not serrated, showing gradual differences in shape along the length of their jaws. Although it is marketed, this species if of little economic importance. Edible, but marketed mostly as crab bait. The Bonnethead Shark (also known as the Shovelhead shark) is a species of tropical shark, and is the smallest member of the hammerhead genus (Sphyrna). Teeth: The dentition of the shark reflects its diet type. Leigh conducted a nutrient content analysis that showed bonnetheads were digesting 56 percent of the organic matter in seagrass, similar to young sea … Sphyrna derives from the Greek word for "hammer", referring to the shape of this shark's head; tiburon derives from the Spanish word "tiburón", meaning "shark". 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