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( Update: 16/01/2024 )

Cuttlefish bone, often regarded as nature's hidden gem, is a unique and invaluable substance derived from the internal shells of cuttlefish, marine cephalopods belonging to the same family as squid and octopuses. Contrary to its name, cuttlefish bone is not bone but rather a buoyant, hard, and porous structure embedded within the soft tissues of the cuttlefish.

Structure and Composition:

The structure of cuttlefish bone is distinct, featuring a porous inner core enclosed within a hard outer layer. This inner structure is composed of aragonite, a crystalline form of calcium carbonate, giving the bone its characteristic lightweight and rigid properties. The outer layer, with its intricate patterns and textures, provides a protective shield for the delicate aragonite core.


Cuttlefish, highly intelligent marine mollusks, utilize their internal shells, or cuttlebones, for buoyancy control. These internal shells serve a crucial role in regulating their depth in the water. Over time, as the cuttlefish grow, the cuttlebone is continually formed and adapted to their size

Versatility and Uses:

Beyond its original purpose for cuttlefish buoyancy, cuttlefish bone has found diverse applications, particularly in the realm of pet care. It is a popular and natural source of calcium for birds, reptiles, and small animals. The porous structure of the bone allows these animals to gnaw on it, promoting beak conditioning and offering a supplementary source of essential minerals.

Benefits for Birds:

For birds, cuttlefish bone is an indispensable addition to their environment. It serves as a rich and natural source of calcium, crucial for maintaining strong bones, beaks, and promoting overall health. Additionally, the act of chewing on the bone provides mental stimulation, reducing boredom and the risk of behavioral issues.

In essence, cuttlefish bone stands as a testament to the marvels of nature. Its unique structure, formed by the ingenious cuttlefish, has transcended its original purpose to become a valuable resource for pet owners and caregivers. Whether floating in the depths of the ocean or gracing the cages of our feathered friends, cuttlefish bone remains an extraordinary example of nature's intricate design and its ability to serve diverse purposes in the world around us.

Established with a commitment to quality and unwavering dedication, Hang Xanh Company Limited is devoted to providing the highest quality cuttlefish bone for discerning bird caregivers. We serve as a beacon, directing you toward a trustworthy source that ensures the optimal health of your feathered friends.