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It is mostly just a scare-tactic used in the media to symbolize a shark. In the wild, animals typically adapt to the hunting method that is most likely to succeed. For example, if a shark were to hunt a bird sitting on the water, if it's fin was up above the water, the bird would see it and most likely fly away before the shark could get near it. If the shark were to come from underneath, the bird most likely would not be aware of the shark until it was too late.
Lewis Treutel
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What is sharks weakest sense?
their eye sight
Is the position of the pectoral fin lateral in sharks and ventral in bony fish?
The pectoral fins in both sharks and body fish are Lateral, which refers to them being located on the sides. Ventral would mean that the fins are on the bottom of the fish, which is not true.
How does a sharks scales make it more efficient swimmer?
Sharks are covered in placoid scales which do not grow in size as the fish does, instead more scales are added. Research has shown that scales create small vortices which serve to reduce drag.
What are the pectoral and pelvic fins used for?
Its main function is to propel itself when swimming. This is different from sharks since they use their caudal fins as its main propulsion force.
Do humans have swim bladder?
All fish have swim bladders. The bladder is what enables them to maintain buoyancy in the water. Without it, they would have to constantly swim up, much like birds have to fly up in the air. It is too much work to constantly swim up, so using a swim bladder, fish do not have to exert as much effort, and preserve energy.
Why do sharks put their fin out of the water?
They only stick their fins out of the water to attack fish near the surface, or swim around the beach, where they are too shallow for them to swim around so it looks like their fins are sticking out.
How are sharks hurt?
when people capture sharks they cut off their fins and then release them back into the water for dead because sharks can't swim without fins so they sink to the bottom of the ocean to drown because they have to come up for some air sometime but can't without fins
Do sharks move like squids?
No, they swim with their fins like fish do
What are sharks variations?
Shark variations are variations of sharks and that sharks have fins to swim and large teeth for hunting prey as food.
What is a behavioral adaptation of a fish?
they swim and live under the water they use their gills to breath in and fins to swim and skills use to defense themselves from dangers in sharks etc...
How shallow can sharks swim in the water?
Sharks can attack in as little as half an inch of water, they can walk on their fins to attack at the edge of the beach.
Do they only swim in the water?
yes sharks swim in the water
Why do goblin sharks move so slow?
They have a flabby body and small fins so they swim slower than other sharks.
How sharks move in the water?
they move there fins and muscles to move in the water!
Does a fish drown if you pull it backwards in the water?
Sharks cannot swim backwards. Unlike the fins of telelosts (bony fish), sharks' pectoral fins do not bend upwards, and so they are unable to back up. Sharks are also unable to stop swimming suddenly.
Why are fish fish?
because they swim in water and have fins
What are fortune fish?
they are a fish with fins and can swim in water
