In 1785, German naturalist Marcus Elieser Bloch described a shark that he referred to Squalus zygaena (a
In … Meer weergeven

The traditional view of hammerhead shark evolution is that species with smaller cephalofoils evolved first from a requiem shark ancestor, and later gave rise to species with larger cephalofoils. Under this inter… Meer weergeven

True to its name, the winghead shark's cephalofoil consists of a pair of long, narrow, and gently swept-back blades. The width of the cephalofoil is equal to 40–50% of the shark's total length. The front of the cep… Meer weergeven

The winghead shark is found in the tropical central and western Indo-Pacific, from the Persian Gulf eastward across South and Southeast Asia to New Guinea and northern Queensland. Its range extends as far north as … Meer weergeven

Several nonexclusive hypotheses have been proposed to explain the extreme size of the winghead shark's cephalofoil. The placement of the eyes at the ends of the cephalofoil provides a binocular field of view of 4… Meer weergeven