4-7 inches
What Is Cuttlebone? Cuttlebone, also known as cuttlefish bone, is a hard, brittle internal structure (an internal shell) found in all members of the family Sepiidae, commonly known as cuttlefish, a family within the cephalopods. Cuttlebone is composed primarily of aragonite. The cuttlebone is a lightweight, oblong, chalky objec