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Jawless fish do not have scales, so their skin is naked. They also do not have jaws or paired appendages. They do, however, have a cartilaginous skeleton and a dorsal nerve cord that leads to a distinct brain.
Wiki User
∙ 14y ago
Wiki User
∙ 14y agoJawless fish do not have a body covering because they do not have scales. They have naked skin.
Wiki User
∙ 7y agoA shark's skin is made up of denticles, which are tooth-like scales, and are of the same material that makes up a shark's teeth.
Wiki User
∙ 14y agoFish are usually covered in scales. There scales protect them from their surrounding environment, much like skin for a human.
11-Fizan
The scales are the outer covering of a fish
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Is a clown fish a jawless fish?
Clown fish do have jaws, so they are not a jawless fish.
Do jawless fish have unpaired fins?
yes, jawless fish have no paired fins
Does a jawless fish have a heart?
Everything has a heart, even a jawless fish. Without a heart, it wouldn't live.
How do jawless fish feed?
they feed on dead fish
Do jawless fish have backbones?
yes, because they are by all accounts a fish--and all fish have scales.
Do guppies have a hard outer-covering?
A Guppy is a tropical fish, and has an outer covering of fish-scales.
Is a clown fish a jawless fish?
Clown fish do have jaws, so they are not a jawless fish.
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.
What is the outer covering of a piranha?
Like most fish, piranhas have scales covering their skin.
How do jawless fish breathe?
Jawless fish breathe from gills.
Is a Hagfish a fish?
No, they are jawless fish.
What kind of fish are most ancient?
Jawless Entelognathus primordialis is the most ancient fish.
Like jawless fish cartilaginous fish have sketetons made of?
Both jawless fish and cartilaginous fish have skeletons made of cartilage.
Where Do Young jawless Fish Develop?
Jawless fish develope in an egg. The female jawless fish lays her eggs in turtle grass, where the male produces spurm and the egg developes.
Where jawless fish young develop?
Jawless fish develope in an egg. The female jawless fish lays her eggs in turtle grass, where the male produces spurm and the egg developes.
What is the outer covering of guppies?
A guppy is a tropical fish, and is covered by fish scales.
