Cuttlefish are marine animals and they belong to the same family as creatures such as squid, nauiluses and octopodes. They have a very unique internal shell which is called the cuttlebone. They range in size from 15 to 25 cm. The largest species raches around 50cm They eat small molluscs, crabs, shrimp, fish, seals, seabirds, and each other.
So can gerbils eat cuttlefish?
Yes they can eat the cuttlebone of a cuttlefish. They fine for them to eat.
Gerbils will very much enjoy chewing on the cuttlebone of a cuttlefish. It also has the added benefit of giving them some extra calcium as well.
The cuttlebone itself is composed mainly of aragonite and is a chambered, gas filled shell that is used for buoyancy control. Its siphuncle is highly modified and is on the ventral side of the shell. It consists of narrow layers that are connected by numerous upright pillars.