eli5 why are sardine bones edible while most other fish bones can harm you if you eat them?

Question

eli5 why are sardine bones edible while most other fish bones can harm you if you eat them?

In: Biology

Answer 1

Sardines have very soft bones. Even grilled sardines can be eaten whole (maybe not the insides as they taste very bitter) contrary to some people saying that the canning process is needed.