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jawless fishes have hyperotonic fluid in their bodies .THE concentration of salt in sea water greater as compare to in their bogies .Jaless fishes secrete some salty secration to make the balance of the concentration of the fluid balance in the body. BUT OTHER FISHES have isotonic fluid to maintain the enternal environment of their body.
What else can I help you with?
Is a ray a jawless fish?
Jawless fish are included in subphylum Vertebrata, but most jawless fish do not have whole vertebrae. Hagfish, for instance, do not have vertebrae at all, and lampreys have only reduced vertebrae. So, no, most jawless fish are not vertebrates.
Is a clown fish a jawless fish?
Clown fish do have jaws, so they are not a jawless fish.
Which class of chordates are jawless fish?
In Phylum Chordata, jawless fish are grouped within Superclass Agnatha. Examples of jawless fish include lampreys and hagfish, which combined total about 120 different species.
How are jawless fish different in aditional ways form other fish?
They also do not have pairs of fins like most fish. But the most remarkable thing about these fish is that they do not have jaws! Instead, the mouths of these fishes have structures for scraping, stabbing. Hagfishes and lampreys are the only living kinds of jawless fishes.
Do jawless fish have unpaired fins?
yes, jawless fish have no paired fins
What is the skeletal type to jawless fish?
Jawless fish have an internal cartelagenous endoskeleton.
How do jawless fish breathe?
Jawless fish breathe from gills.
What is the scientific name of a jawless fish?
Jawless fish are Phylum Chordata, they are also known as paraphyletic, they still are around today.
Is a Hagfish a fish?
No, they are jawless fish.
Like jawless fish cartilaginous fish have sketetons made of?
Both jawless fish and cartilaginous fish have skeletons made of cartilage.
Name for group of jawless fish?
A group of jawless fish is commonly referred to as "agnatha."
What kind of fish are most ancient?
Jawless Entelognathus primordialis is the most ancient fish.
