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If sharks did not move then they would die, when they move its like they are breathing, I know we dont do it but they are sharks ya know xD
Wiki User
∙ 14y ago
Wiki User
∙ 13y agoThey have to keep swimming to pump water through their gills, they absorb the oxygen from the water to breathe.
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What is an evolutionary innovation associated with cartilaginous fish such as sharks?
:OO
An example of a cartilaginous fish?
Cartilaginous fish such as sharks, skates, and rays are vertebrates, whose internal skeleton is made entirely of cartilage and contains no ossified bone. Cartilaginous fish are also known as Chondrichthyes and have one or two dorsal fins, a caudal fin, an anal fin, and ventral fins which are supported by girdles of the internal skeleton.
Are sharks mamels?
No, sharks belong to the class Chondroichthyes or cartilaginous fishes, along with rays and chimeras.
Are sharks cartilaginous fish?
Yes, sharks do not have bones in their skeleton but they have cartilageYes, sharks are fish with skeletal systems made from cartilage.
Sharks are a type of?
A fish.A predator.A sea creature.A chordate.
Is a tuna fish cartilaginous fish?
no. cartilaginous fishes are sharks and rays.
What class of fish do sharks belong to?
Sharks belong to cartilaginous fish. (Chondrichthyes)
Do cartilaginous fish have operculum?
Jawless fish are cartilaginous, but they do not have jaws. Class Chondrichthyes, which contains most cartilaginous fish, like sharks, have powerful jaws.
What do cartilaginous feed off of?
Cartilaginous fish are mainly sharks and rays. They feed off bony fish, such as goldfish.
Example of a non-bony fish?
Sharks are not bony fish. They are cartilaginous fish.
Are sharks jaw less fish?
No, sharks are not jawless fishes. They are Cartilaginous fishes
What are facts about cartilaginous fish?
There are 810 different types of Cartilaginous fish. Sharks have a lateral line system which detect movement in the water. Some sharks move even when they sleep so they could get water constantly through their gills. Some sharks lay eggs while others give live birth. The largest cartilaginous fish is the Whale Shark its about 30 feet long and weight up to 10tons.
What present in bony fish but not in cartilaginous fish?
Cartilaginous fish do not have true bones and belong to a the class Chondrichthyes. Sharks, rays and skates are the best-known of this class. True bony fish belong to the class Osteichthyes. One of the major differences is that the members of the class Chondrichthyes lack the ability to pump water past their gill plates, so they must constantly be on the move or in a fast moving current when they are at rest.
Is Stingray a fish?
They are in the same category as sharks. Sharks are considered to be fish. So, the answer is yes.
What are sharks relatid to?
Sharks are related to rays and skates, along with other cartilaginous fish.
Sharks scientific name?
Sharks are cartilaginous fish of the Superorder Selachimorpha.
What are some cartilaginous fish?
Sturgeon, Sharks, Rays, Skates
