Do fish have bones?


Quick Answer

Some fish have bones, including full backbones and articulated skeletons, while other fish do not have bones. The bony fish, as they are known, belong to the class Osteichthyes. The other class of fish is known as Chondrichthyes, which includes cartilaginous fish like sharks and rays.

Continue Reading

Full Answer

The bony fish of class Osteichthyes are the largest class of vertebrates in the animal kingdom, with more than 20,000 species known to man. Bony fish fall into two subcategories: the ray-finned fish and the lobe-finned fish. Ray-finned fish make up the vast majority of known living fish species as of July 2014; the coelacanth, once thought to be an extinct prehistoric fish, is the only known living lobe-finned bony fish.

Learn more about Fish

Related Questions

  • Q:

    How do mammals move?

    A: Mammals move by using contractile muscles that pull against attachment points in their rigid internal skeletons, causing the bones to change orientation re... Full Answer >
    Filed Under:
  • Q:

    What are examples of bony fish?

    A: Some examples of bony fish include the devil firefish, the emperor angelfish, the emperor snapper, the pineapple fish and the garden eel. These bony fish r... Full Answer >
    Filed Under:
  • Q:

    What fish eat shrimp?

    A: Most freshwater, tropical and marine aquarium fish eat shrimp, and many commercial foods contain dried shrimp and shrimp by-products. Many stores, includin... Full Answer >
    Filed Under:
  • Q:

    Do guppies need an air pump?

    A: Guppies are hardy fish and it is possible to keep them in an unfiltered tank without a pump, as stated by FishChannel. However, unfiltered tanks are comple... Full Answer >
    Filed Under: