Sepia is the dorsal shell of a cuttlefish (Sepia officinalis). Sepia shell is also called cuttlebone in English. sepia is 100% natural and is a source of calcium and minerals.
Therefore, sepia is very good to use as a dietary supplement for turtles, reptiles, birds and snails. Birds can sharpen the beaks with it and turtles can use it well to harden the shell.