Seven tiger sharks carrying cameras surveyed 20.6 kilometres of Bahamian seafloor and filmed seagrass in places satellite maps had predicted none — helping reveal an underwater meadow system as large as 92,000 square kilometres, the largest known on Earth
ScienceBlog.com,
The most productive survey crew to work the Bahamas in years had no clipboards, no salaries and a mouthful of serrated teeth…