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Fish Bone FactsSome fish can rattle their bones in order to convey a message to other fish.Triggerfish have three dorsal spines (bones) that lock together and allow them to securely lodge themselves in crevices to avoid predators.A fish jawbone is not always attached to its skull. …The heaviest bony fish ever caught was a Mola Alexandrini Ocean Sunfish in 1996. …More items…
People also ask
Do fish have a backbone?
Yes, all fish have a backbone of some sort. While it isn always made of bones, As vertebrates (chordates), a backbone is the defining characteristic of this group of animals! Their body plan includes a backbone, cartilaginous rod, naked nerve cord, or other main skeletal structure.
Do you eat fish with bones?
Fish choices are very dependent upon location. All fish have bones, or at least a cartilage skeleton – they are vertebrates. I don’t mind eating skeleton or even skin, as long as it’s not dangerous to do so (and the skin is not scaly, eating scales is not nice).
What is the only fish without bones?
Hagfish, sometimes known as the slime eel, is the only fish (to our knowledge) that can be classed as not having bones per se. This is due to the fact that unlike other fish which are vertebrates, meaning they have a backbone, the Hagfish does not.
Why do fish have cranium and pin bones?
For example, the cranium protects the brain from any external stresses, whilst the pin bones (commonly found in our fish supper) anchor the fish muscles. Pin bones are also used by the fish to easily access calcium for the muscles. This is possible as they run directly through the muscles themselves, and important as muscles need calcium to work.