Although the Shark Trust supports full utilisation of sharks landed, unsustainable shark fishing is a threat to shark populations worldwide, and the sale of products from such fisheries threatens to deplete vulnerable species. Shark cartilage products are commonly produced using cartilage from the Spiny Dogfish (Squalus acanthias) or Blue Shark (Prionace glauca), both of which are listed in the 2006 IUCN Red List assessment as Vulnerable. The market for these supplements is unsustainable while cartilage is procured from endangered species, and continued sale of these products contributes to the decline of shark populations globally.

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What is Shark Cartilage and what is it used for?
Shark cartilage and cancer
Processing, trade and markets
Shark conservation
References