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Question

Do Hagfish Have An Operculum?


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Solution

Hagfish:

  1. A fish without a jaw is called a hagfish.
  2. An operculum is a group of bones that serves as a support structure for the face and a protective covering for the gills in bony fish and chimeras.
  3. Hagfish have a cartilaginous head and a fibrous and cartilaginous skeleton.
  4. The operculum is absent in cartilaginous fish.
  5. The notochord, which runs the length of the body, is the main supporting structure.


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