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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.
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Is the xiphoid calcified or cartilaginous in children?
The xiphoid process is primarily cartilaginous in children and becomes increasingly calcified with age.
Is a tuna fish cartilaginous fish?
no. cartilaginous fishes are sharks and rays.
Is lizard bony or cartilaginous?
Lizards are not bony or cartilaginous fish, they are reptiles.
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.
Which fish can stay underwater the longest cartilaginous or bony fish?
it is the cartilaginous fish.s
Are skates cartilaginous fish or bony fish?
Similar to Stingrays, skates are cartilaginous.
What is the shape of cartilaginous rings in trachea?
Trachea has a C-shaped cartilaginous ring.
What does cartilaginous mean?
Cartilaginous fish have cartilaginous endoskeletons, meaning their skeletons are made from cartilage. Cartilaginous fish can also have placoid scales, or they are naked. Cartilaginous fish have gills, paired appendages, strong jaws, notochords, a dorsal nerve chord that leads to a distinct brain, and lack a swim bladder.
What prevent the trachea from collapsing?
Cartilaginous rings
Do goldfish have cartilage?
No goldfish aren't cartilaginous. However cartilaginous are like sharks, rays and skates.
Where is the cartilaginous joint located?
You have primary cartilaginous joint between the growing bones. They are called as primary cartilaginous joint. You have secondary cartilaginous joint in mid-line of your body. For example pubic symphysis, a joint between manubrium sterni and sternum as well as discs between your vertebrae.
Is a shark a cartilaginous?
Yes.
