10 Needlefish When wading cautiously into the ocean, any apprehension we experience likely forms the mental image of a shark, and the possibility of being bitten. However, a more bizarre danger lurks. Growing up to 3 feet in length, Needlefish are exceedingly thin hunters with an almost heron like bill. Needlefish may swim at speeds of over 30 knots, and may cause fatal collisions with humans. In 1977, a child was pierced by a needlefish in Hawaii, while fishermen in the Philippines fear them above sharks. Several other exceedingly disturbing deaths have followed, including one swimmer whose eye was pierced, causing a fatal brain injury. 9 Common Adder Although its lethality does not compare to the Cobra or Rattlesnake, the presence of a venomous and potentially deadly viper in Britain may come as a surprise. While nearly all venomous snakes occur closer to the equator, the Common Adder inhabits the hedgerows, meadows and moors of the English coun...
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