This picture taken on November 8, 2014 shows students from Singapore snorkeling at a coral reef in the waters off Lombok, West Nusa Teggara. Sharks are hauled ashore every day at a busy market on the central Indonesian island of Lombok, the hub of a booming trade that provides a livelihood for local fishermen but is increasingly alarming environmentalists. (Photo by Sonny Tumbelaka/AFP Photo)

This picture taken on November 8, 2014 shows students from Singapore snorkeling at a coral reef in the waters off Lombok, West Nusa Teggara. (Photo by Sonny Tumbelaka/AFP Photo)

This picture taken on November 8, 2014 shows students from Singapore snorkeling at a coral reef in the waters off Lombok, West Nusa Teggara. (Photo by Sonny Tumbelaka/AFP Photo)

This picture taken on November 8, 2014 shows a student from Singapore snorkeling at a coral reef in the waters off Lombok, West Nusa Teggara. (Photo by Sonny Tumbelaka/AFP Photo)

This picture taken on November 7, 2014 shows a vendor carrying fish as the sun rises near a traditional market in Tanjung Luar in Lombok, West Nusa Teggara. (Photo by Sonny Tumbelaka/AFP Photo)

This picture taken on November 7, 2014 shows students from Singapore visiting a traditional market in Tanjung Luar in Lombok, West Nusa Teggara. (Photo by Sonny Tumbelaka/AFP Photo)

This picture taken on November 9, 2014 shows sharks for sale as a man (back ) removes the fins at a traditional market in Tanjung Luar in Lombok, West Nusa Teggara. (Photo by Sonny Tumbelaka/AFP Photo)

This picture taken on November 9, 2014 shows sharks for sale as a man removes the fins at a traditional market in Tanjung Luar in Lombok, West Nusa Teggara. Hundreds of sharks are hauled ashore every day at a busy market on the central Indonesian island of Lombok, the hub of a booming trade that provides a livelihood for local fishermen but is increasingly alarming environmentalists. The fins are sold to other Asian nations, including Singapore, Hong Kong and Taiwan, where shark-fin soup is considered a delicacy. (Photo by Sonny Tumbelaka/AFP Photo)

This picture taken on November 9, 2014 shows sharks for sale at a traditional market in Tanjung Luar in Lombok, West Nusa Teggara. (Photo by Sonny Tumbelaka/AFP Photo)

This picture taken on November 9, 2014 shows sharks for sale as vendors wait for customers at a traditional market in Tanjung Luar in Lombok, West Nusa Teggara. (Photo by Sonny Tumbelaka/AFP Photo)

This picture taken on November 9, 2014 shows vendors selling freshly caught sharks at a traditional market in Tanjung Luar in Lombok, West Nusa Teggara. (Photo by Sonny Tumbelaka/AFP Photo)

This picture taken on November 7, 2014 shows shark fins laid out to dry near a traditional market in Tanjung Luar in Lombok, West Nusa Teggara. (Photo by Sonny Tumbelaka/AFP Photo)

This picture taken on November 7, 2014 shows a man holding dry shark skin up for students from Singapore to see as they visit a traditional market in Tanjung Luar in Lombok, West Nusa Teggara. (Photo by Sonny Tumbelaka/AFP Photo)