Product Description
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. Hammerhead sharks, or sphyrnids, are perhaps the most distinctive and unique of all sharks. These cartilaginous fishes vary in size; the small scalloped bonnethead (S. corona) measures only 90 cm (35 inches) long, whereas the great hammerhead (S. mokarran) grows to over 6.1 meters (20 feet) in length. Although they are considered one of the most recently evolved groups of sharks, sphyrnids are known to date back in the fossil record to at least the early Miocene Epoch (about 23 million to 5.3 million years ago). Some authorities believe that this group emerged as early as the Eocene Epoch (roughly 56 million to 33.9 million years ago)
Hammerhead sharks prey on a wide array of fish, cephalopods, and crustaceans, but specific prey varies between the different species. The smaller bonnethead sharks have thicker, flattened crushing teeth and often prey on crabs, shrimp, and fishes buried in the sand. One species of bonnethead shark, S. tiburo, is omnivorous, because it eats seagrass. In contrast, larger hammerhead sharks possess sizable bladelike teeth and often prey on larger fishes, squid, small sharks, and stingrays. In fact, the great hammerhead specializes in hunting and eating large stingrays, and some members of this species have been found to have dozens of stingray barbs embedded in their flesh. Most species feed in relatively shallow coastal waters and may even venture into brackish bays and estuaries. A few species migrate into offshore waters to feed at night.
While hammerhead sharks usually are not considered dangerous, there have been several confirmed accounts of large hammerhead sharks attacking people. Most of those attacked were spearfishing, and it could be that the blood of the speared fish attracted the sharks. Nonetheless, large hammerhead sharks should be respected and avoided by bathers and divers.
Collectible Wildlife Gifts is the market leader in providing high quality, realistic toys of all types! Every one of our items is heavily inspected for quality craftsmanship and authenticity. Our products make great gifts for your family and friends! Additionally, our lifelike animal figurines and plush make for great displays and educational sets. We are happy to serve our wide range of clientele from parents to educators, gift shop owners and many more!
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