Apparently great white sharks show there fins above water when circling,does the same go for hamerhead shark?

Question

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Answer 1

White sharks do not show their fins when hunting. A white shark is a sneaky predator always coming from behind or under neath. This depends on what hammerhead you are talking about. Ill assume the great hammer head because it is the most noted. They stay very deep i the ocean never breaking water they hunt in like schools of 100. They get spooked very easily but once they are comfortable they are very exploratory. They have been know to bump and even mouth breathe divers out in the ocean. They can grow upwards of 6 feet long. The dangerous party again is they hunt in schools so you cant keep an eye on them all

Answer 2

actually, no shark shows it's fin when actively hunting. Sharks are lay in wait and surprise hunters. Sharks do show their fins when on the surface, beleive it or not, they are sunning themselves and not actively hunting. Sometimes when intentionally baited by humans at the surface, the sharks fins do extend above water while feeding at the surface.
sharks are the consumate ambush predator. Almost every survivor of a shark attack all say the same thing. I never saw it before it attacked. I was a diver for many years, I interacted with leopard and blue sharks quite often. I was bitten one time, by a smaller blue shark on my left leg. At the time, I was feeding the sharks and was distracted for a moment. I didn't see a piece of bait that dropped down near my leg. The shark bit, and immediatley released my leg. I got away with 25 stitches and a new respect for even small sharks
As for hammerheads, they are bottom feeders as a general rule. They use those wide heads like a mine detector, but instead of regestering when the pass over metal, it picks up the electrical out put of small fish or crustacians just under the sandy bottom which they then grab and eat. There have been a few attacks credited to hammerheads on humans, but I don't know of any where they actually tried to eat a human. I think they mistook the flash of a foot or hand for a fish and bit out of instinct.

Answer 3

Hammerheads don't generally spend much time at the surface. Their broad head allows them to detect vibrations from the crabs and small fish that hide in the sand. They eat other bottomdwellers, so they don't really do much circling. If it was circling though, it would be circling below the surface. In the event that it attacked a floating target, it would come from below the target, not at a parallel to the surface of the water.

Nosoop4u

As ambush predators, when attacking prey at the surface, they wouldn't come at it at the surface (where their fin would be showing), they would strike from below (so you would really not see their fins in the case of Hammerheads).