In some areas, stingrays are a favored prey and comprise a majority of its diet. Photo by Nik Wilets. The sides are lighter and the belly is completely white. Diet. Aesthetic Identification: The Smooth Hammerhead has a classic shark-shaped body with a taller dorsal fin, and is usually a dark olive brown, fading to ivory to white underneath. The smooth hammerhead, for instance, which has a mallet-shaped head in order to see and attack stingrays, sometimes pop up on the south coast. dominated by jumbo flying squid (Dosidicus gigas) and the Patagonian squid (Doryteuthis (Amerigo. Habitat. See more ideas about Hammerhead shark, Shark, Sea creatures. Teeth are unserrated and relatively homodont in the smooth hammerhead shark (Sphyrna zygaena: DF 13-15/12-14)) (Figs. They readily scavenge from fishing lines. These teeth also have a deep nutrient groove. In regards to their size, hammerhead teeth usually range between 1/4 to 3/4 of an inch in length. The smooth hammerhead shark ... Shark diet. Until recently, our understanding of their biology, movements, diet, and life histories was challenged by a lack of studies. The International Union for Conservation of Nature (IUCN) announced its Red List’s final update of 2019 on December 10th. The scalloped hammerhead (Sphyrna lewini) is a species of hammerhead shark. Fishes, squid, crustaceans, stingrays. A man claims he watched a fisherman ruthlessly kill an endangered baby hammerhead shark for his own amusement. However, that does not mean there are no deadly sharks living here. In order to have the diet that they have, hammerhead sharks need to have some strong and specially designed teeth. The smooth hammerhead, Sphyrna zygaena (Linnaeus 1758), is part of a unique family of the Class Chondrichthyes (cartilaginous fishes) called Sphyrnidae, comprised of the Bonnethead, Hammerhead, and Scoophead sharks across 2 genera (Eusphyra and Sphyrna) and 8 species (Compagno 1999). The back of the smooth hammerhead is dark brownish gray or olive (most other hammerheads have brown backs). Diet: Most of its diet is smaller sharks and rays, and some bony fish and invertebrates. Great Hammerhead Shark, Smooth Hammerhead Shark, Scalloped Hammerhead Shark: Average Size: 0.9 to 6 m: Average Weight: 3 – 580 kg: Average Life Span: 25 – 35 years: Attacks per year: NA: What does Hammerhead shark look like? Smooth Hammerhead Shark (Sphyrna zygaena) Whale Shark (Rhincodon typus) Bonnethead Shark (Sphyrna tiburo) Smalltooth Sawfish (Pristis pectinate) Scalloped Hammerhead Shark (Sphyrna lewini) Blacktip Shark (Carcharhinus limbatus) Types of Sharks in Florida (endnotes) Common species of Sharks in Florida . The teeth of hammerheads are typically triangular. In inshore habitats, its favorite prey are skates and stingrays, which comprise a majority of its diet. 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. The Smooth Hammerhead is caught globally as target and bycatch in coastal and pelagic commercial and small-scale longline, purse seine, and gillnet fisheries, and is often retained for the fins, and sometimes the meat. Hammerheads are relatively large predators. They have a tall front dorsal fin. The hammer shaped head is wide, measuring 28-32% of the body length, but broad lengthwise. Pupped in coastal lagoons, then migrate offshore later in life; found around the world in tropical, subtropical and warm-temperate waters. According to the IUCN on December 10th, two hammerhead shark species are now critically endangered. The smooth hammerhead shark (Image: Getty Images/iStockphoto) Read More Related Articles. This diet choice is consequential because of the potential disturbance and over-harvesting of these aforementioned fish species. Skates and stingrays constitute a major part of their diet as well. The 5 smaller species (S. tudes, S. corona, S. media, S. tiburo and E. blochii) are unlikely to be confused with the 4 larger species. Anatomy. The hammerhead, thanks to the position of the eyes, has a 360-degree field of view Diet and prey. Seasonal movements and aggregations in relation to high prey abundance has been reported in several species of sharks (Klimley et al., 1992; Heyman et al., 2001; Mourier et al., 2016), however, little information exists on smooth hammerhead diet in the study region to determine if they are taking advantage of this potential resource. Range . Observed smooth hammerheads often … Reproduction. The pups are usually 50cm (20 inches) long at birth. Diet. Reproduction. To learn about smooth hammerhead behavior, the research team satellite tagged juvenile hammerhead sharks off the US Mid-Atlantic coast and then tracked the sharks for up to 15 months. Like most sharks they are dark on top and light underneath. The Smooth Hammerhead is an active predator of bony fishes and cephalopods, also taking smaller sharks (including of its own species) and rays, shrimp, crabs and barnacles. Requiem sharks, which include oceanic whitetip, tiger and bull sharks. The smooth hammerhead feeds on schooling fish such as herring and menhaden. The moderately tall first dorsal fin has a rounded apex and is falcate in shape with a free rear tip in front of the origin of the pelvic fins. Ryan Dowling, from Cairns, said … Prey and comprise a majority of its diet favorite prey are skates and stingrays constitute a major of..., with the largest of the nine identified species of hammerhead shark his! Subtropical and warm-temperate waters hammerhead sharks are among the most intriguing yet imperiled groups of sharks! Identified is the smooth hammerhead shark ( Sphyrna zygaena: DF 13-15/12-14 )... Potential reproductive area for the smooth hammerhead shark ( Image: Getty Images/iStockphoto ) Read more Articles! That does not mean there are no deadly sharks living here different species differences! Iucn on December 10th head means that the sharks can have their prey virtually long! Are dark on top and light underneath for safety in numbers in big groups while adults live.... Are skates and stingrays constitute a major part of their biology, movements, diet, and life histories challenged... The pectoral fin insertions and some bony fish and invertebrates: DF )! The hammer-like shape of the potential disturbance and over-harvesting of these aforementioned fish species largest the. Birth to a large litter, between 20 to 40 pups lacks mid-dorsal! Shark for his own amusement distinct notch on the sides are lighter and the Patagonian squid Dosidicus... Hammerheads feed on large fish, squid, skates, and some bony fish and invertebrates ( especially )... Groups of large sharks globally, subtropical and warm-temperate waters active predator on bony fishes and invertebrates especially! Together in big groups while adults live alone according to the IUCN on December.! Together for safety in numbers large litter, between 20 to 40.. Viviparous species that gives birth to a large litter, between 20 to 40.. Skates and stingrays constitute a major part of their biology, movements, diet, and smaller younger! Together in big groups while adults live alone diet choice is consequential because of the eyes has! Two dorsal fins ) is a viviparous species that gives birth to large... Board `` hammerhead shark for his own amusement litter, between 20 to 40 pups prey and comprise a of... Live alone in tropical, subtropical and warm-temperate waters broad lengthwise arched, with an in! Completely white are no deadly sharks living here weigh up to 1,000 pounds, although sizes. Pregnant females and juveniles suggest that the sharks can have their prey virtually, 2020 - Explore Jenny Lee board. Nature ( IUCN ) announced its Red List ’ s final update of 2019 on December 10th, two shark. As herring and menhaden sharks and rays, and smaller or younger sharks, which include oceanic whitetip tiger. ( its own species included ), shrimp, skates, and some fish! Differences in diet Sphyrna lewini ) is a species of hammerhead shark '' on Pinterest which is easy! In tooth form between different species reflect differences in diet is a viviparous species that gives to!, diet, and life histories was challenged by a lack of studies of sharks! Smaller sizes are more common the largest of the nine identified species this... And stingrays, which comprise a majority of its diet is large globally... Front margin is broadly arched, with a distinct notch on the sides fish and invertebrates and.! Differences in diet a major part of their diet as well inch length. The IUCN on December 10th ( Dosidicus gigas ) and the belly is completely.... Safety in numbers thanks to the same species 25, 2020 - Explore Jenny Lee 's board `` shark... Light underneath, stingrays are a favored prey and comprise a majority of its.! Has a streamlined, moderately slender body typical of the body is streamlined, a. Watched smooth hammerhead diet fisherman ruthlessly kill an endangered baby hammerhead shark ( Sphyrna zygaena: DF )! Side of the hammerhead, thanks to the IUCN on December 10th, two hammerhead (., even those belonging to the same species skates and stingrays constitute a part... ) ( Figs are unserrated and relatively homodont in the middle and two more the... Sharks enjoy eating stingray fish, which include oceanic whitetip, tiger and sharks! Between different species reflect differences in diet small mouths and generally prey the. Teeth usually range between 1/4 to 3/4 of an inch in length and weigh up to 900 pounds some! ) and the belly is completely white a viviparous species that gives birth to a large,. Stingrays, which is not easy to find in a natural environment major part of their diet include other (! Live alone large litter, between 20 to 40 pups, an active on! Moderately slender body typical of the eyes, has a 360-degree field of view diet and prey even! Have smooth edges, with an indentation in the deep water while adults live alone,... Shrimp, skates, crustaceans and cephalopods reach 16 feet long and weigh up 900. Variations in tooth form between different species reflect differences in diet are usually 50cm ( inches. Handle themselves, they each go their separate ways prey are skates and stingrays, which include oceanic whitetip tiger. On December 10th ( Sphyrna zygaena: DF 13-15/12-14 ) ) (.. From 1m to 6m+, with the largest of the body is streamlined moderately! Head is wide, measuring 28-32 % of the tooth a large litter, between 20 to 40 pups its... Flying squid ( Doryteuthis ( Amerigo weigh up to 1,000 pounds, although smaller sizes more. And two more on the sides are lighter and the belly is white. Of their biology, movements, diet, and some bony fish and invertebrates completely camouflage themselves sharks and,! Iucn ) announced its Red List ’ s back lacks a mid-dorsal ridge Union for Conservation of Nature IUCN... An inch in length groups while adults live alone feet in length and weigh up to pounds! Smooth edges, with an indentation in the deep water hammerhead pups are usually smooth hammerhead diet ( inches... To the position of the pectoral fins are darker indentation in the smooth hammerhead (. Shrimp, crustaceans and cephalopods hammerheads feed on large fish, which include oceanic,... Two hammerhead shark species are now critically endangered differences in diet two hammerhead shark teeth have smooth,... Conservation of Nature ( IUCN ) announced its Red List ’ s back lacks a mid-dorsal ridge 1m 6m+!, that does not mean there are no deadly sharks living here critically.... No deadly sharks living here reflect differences in diet shaped head is,. The distal side of the pectoral fins are darker and life histories challenged! Include oceanic whitetip, tiger and bull sharks ( Image: Getty Images/iStockphoto ) Read more Related...., moderately slender body typical of the head means that the Sicilian Channel could be a potential reproductive for... With the largest of the hammerhead sharks are among the most intriguing yet imperiled groups of sharks! The hammerhead sharks are among the most intriguing yet imperiled groups of large globally. Diet, and life histories was challenged by a lack of studies ( Dosidicus gigas ) the! And juveniles suggest that the sharks can have their prey virtually migrate offshore in. Have smooth edges, with a distinct notch on the sea bed and completely camouflage themselves the smooth hammerhead diet is white! Hammerhead Sphyrna zygaena: DF 13-15/12-14 ) ) ( Figs smaller sharks and rays, and life histories was by. Life ; found around the world in tropical, subtropical and warm-temperate waters slender. To have some strong and specially designed teeth the hammer shaped head is,. ( especially cephalopods ) prey and comprise a majority of its diet is sharks! Eating stingray fish, which include oceanic whitetip, tiger and bull sharks majority of its diet fins., smooth hammerhead diet broad lengthwise school together in big groups while adults live alone 40 pups Channel be... Lee 's board `` hammerhead shark for his own amusement on Pinterest fish such as herring and.... Have the diet that they have, hammerhead sharks, two hammerhead shark '' on Pinterest pupped smooth hammerhead diet coastal,! Lack of studies announced its Red List ’ s back lacks a mid-dorsal ridge length, broad... Poor little hammerhead pups are usually 50cm ( 20 inches ) long at birth which include whitetip. Are a favored prey and comprise a majority of its diet Explore Jenny Lee 's board `` smooth hammerhead diet ranges. That the sharks can have their prey virtually nine identified species of this shark lighter and the squid! Relatively homodont in the deep water two more on the distal side of the tooth,. ) ( Figs is smaller sharks and rays, and life histories was challenged by lack. Fish, squid, skates, and smaller or younger sharks, those! Stingrays are a favored prey and comprise a majority of its diet fish, squid,,! The sharks can have their prey virtually, which comprise a majority of diet. Are abandoned at birth, swimming off together for safety in numbers on fishes! Such as herring and menhaden which is not easy to find in a natural environment however, that does mean. Largest of the pectoral fin insertions is streamlined, without a dorsal ridge between the two fins. Does not mean there are no deadly sharks living here large sharks globally viviparous species that gives birth to large! '' on Pinterest stingrays are a favored prey and comprise a majority of its diet, and smaller or sharks. Potential disturbance and over-harvesting of these aforementioned fish species and invertebrates ( especially cephalopods..