Numerous species of sharks in the Arabian seas are facing a growing threat of extinction as demand for their fins rises across the world.

Considered a delicacy in Asia - shark fin is one of the world's most expensive foods and it has grown into a multi-billion dollar industry.

Oman hosts one of the world's biggest shark fisheries and has become a major supplier to Asian countries.

Al Jazeera's Nick Clark reports from Oman - where as shark numbers dwindle, so does the livelihood of many people.

[March 16, 2010]