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Sharks do not and cannot survive with out their dorsal fin.
"If a shark has its fin removed and is consequently returned to the ocean, under almost all circumstances the shark will not survive. Unlike salamanders or sea stars that can regrow limbs that have been cut off, sharks do not possess any regenerative properties that would allow them to regrow their fins."
http://www.nmfs.noaa.gov/stories/2012/08/08_13_12shark_mythbusters.html
"A shark without a dorsal fin is like … well, a dead shark. Sharks whose fins have been lopped off simply don't survive, and yet fishermen relentlessly perform these brutal amputations in order to feed the voracious market for shark-fin soup."
Read more: http://www.utne.com/environment/shark-fin-soup-its-beyond-tasteless-7362.aspx#ixzz2y8mT7G2M
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How do lionfish swim?
they swim fast with many of the dorsal fins.
What is the use of the fishes dorsal fin?
They allow the shark to swim. A shark with no fins would be unable to swim. Any individual fin provides steering and propulsion depending on exactly which fin you're talking about. The dorsal fin (the one on top of the shark that sticks up above the water in any cartoon about a shark) is mainly for steering.
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
Why do sharks have fins?
Contrary to popular belief, sharks do not swim with their dorsal fin above water and if they do, it's a rare occasion. They generally stay mid-water or closer to the bottom. Hollywood and the media have characterized sharks swimming close to the top with their fin showing for dramatization.
Do sharks die after the dorsal fin is cut off?
If they'd only cut the dorsal fin, there's a good chance that the shark would survive. But usually they cut all fins, which leave the shark unable to swim and dooms it to a slow death.
Why do sharks have a 2nd dorsal fin?
All fins are used for mobility and navigational purposes.
Do sharks move like squids?
No, they swim with their fins like fish do
Do fish have two pairs of limbs?
there a part of a fish that makes them swim
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.
Why do goblin sharks move so slow?
They have a flabby body and small fins so they swim slower than other sharks.
What is a butterflyfish day like?
Well they wake up and spread out their dorsal fins and tail fins. Then, they swim with groups up to 3-6 groups. Also they eat shrimp.
When sharks fin get cut off do they die?
Without their fins they can't swim properly and sink to the bottom of the ocean. So they die by either getting eaten or suffocation
