40 feet - The length of the biggest, the Whale Shark, which weighs up to 20 tonnes.
46 mph - The top speed of the fastest species, the Mako Shark, known as 'the torpedo with teeth'.
250,000 - Mobula Rays, members of the shark family, have been seen somersaulting in the air in balletic courtship displays. The biggest belly floppers have the best chance of attracting a mate.
20 - The number of killer shark stories in SHARKPUNK.
22 - The number of authors who have contributed to SHARKPUNK.
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Dwarf Lantern Shark