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Carcharhinus acronotus Blacknose sharks get their name from the dark blotch on the tip of their snout which often fades on older adults. This shark has a streamlined shape and matures to just over 4 feet long. It feeds on smaller fish and sometimes octopus, and falls prey to larger sharks. When c
Danger to Humans This shark poses little threat to humans and has never been reported

Rachycentron canadum This torpedo-shaped fish has a long, pointed face and slightly depressed head that swoops back to a row of spines spaced out in front of its dorsal fin. With triangular, curved fins and crescent tail, as well as dark olive-brown on top and silver grey below coloring, it resem
Danger to Humans There are 7-9 dorsal spines, each depressible into a groove, that

Cephaloscyllium ventriosum This sluggish, nocturnal shark prefers the rocky, algae-spotted shallows of the eastern Pacific Ocean where it ambushes prey and grows to max size of 110 cm (43 inches) long. It is yellow-brown with dark blotches and white spots, with large mouth and eyes on a blunt sno
Danger to Humans The swell shark is considered harmless, preferring to avoid contact

Carcharhinus galapagensis This large shark is often confused with several other sharks because of its fin sizes and placements, and brownish grey on top and white underneath coloring. They are abundantly present around oceanic islands. Younger sharks usually eat bottom-dwelling fish, but as they
Danger to Humans According to the International Shark Attack File, the Galapagos

Isistius brasiliensis This small, cigar-shaped shark is dark brown on top and light on the underside, with a darker band around its neck. The light underside glows, attracting fish, whales, and sharks. It attaches itself to the prey and uses its serrated bottom teeth to cut out a perfectly circul
Danger to Humans According to the International Shark Attack File, the cookie cutter

Prionace glauca Blue sharks are pelagic sharks commonly named for their distinct blue color that fades to a crisp white underside. They have a long, sleek body and an elongated conical snout. They are often seen swimming slowly at the surface with the tips of their dorsal and caudal fins out of t
Photo © Jeremy Stafford-Deitsch Danger to Humans The blue shark is relatively

Somniosus microcephalus This large, heavy-set shark grows to an average 8-14 feet long but can get to be 24 feet. It has a short, rounded snout, small eyes, and relatively small dorsal fins. Although it is an apex predator, it is a slow swimmer, and likely ambushes its prey and scavenges for
dogs that have been poisoned by the shark’s meat are often called “drunk.� Danger

Caranx hippos This large fish is wonderfully abundant in the Atlantic Ocean, and popular resource for both commercial and sports fishers alike. The juvenile is striped vertically along its sides, but as it matures, it changes to an even greenish-bluish above and silver or golden below. Usually ad
Danger to Humans There have been some reports of ciguatera poisoning associated

Mustelus canis This small, slender shark has elongated cat-like eyes, triangular fins, and an asymmetrical, notched caudal (tail) fin. Unlike most sharks, this dogfish has rows of flat grinding teeth rather than sharp blades, which are ideal for crushing and chewing the crustaceans and mollusks t
Danger to Humans The smooth dogfish poses no threat to humans due to its small size

Heterodontus portusjacksoni This medium size Australian shark has a blunt head with a small mouth and prominent crests above its eyes. It is usually a light gray brown, with black bands over its eyes and across its back in a harness shape. Unlike most sharks, the Port Jackson can eat and breathe
Danger to Humans According to the International Shark Attack File, there are no