Is there any type of fish known to man that does not have a skeleton?
The answer to whether or not there are fish without skeletons is a little complicated. Most fish have a skeleton made of bone or cartilage, but there are a few exceptions.
One is the hagfish, which is a type of eel-like fish that has no bones or cartilage. Instead, its body is supported by a notochord, which is a flexible rod that runs along the length of its body.
Another example is the jellyfish, which is not technically a fish but is often considered to be one. Jellyfish have no bones or cartilage, and their bodies are made up of a gelatinous substance.
So, while most fish have skeletons, there are a few exceptions. These fish are unique and fascinating creatures, and they provide scientists with valuable insights into the evolution of vertebrates.
Related Questions and Answers:
- What is the hagfish? A type of eel-like fish with no bones or cartilage.
- What supports the body of a hagfish? A notochord, a flexible rod that runs along the length of its body.
- Are jellyfish fish? No, jellyfish are not technically fish, but are often considered to be one.
- Do jellyfish have skeletons? No, jellyfish have no bones or cartilage.
- What is the body of a jellyfish made of? A gelatinous substance.
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