This river is full of wildlife and full of water moccasin. A water moccasin mascot was used in the 1920s. He is Cobra's Water Moccasin pilot and debuted in 1984. Other challenges include alligators, sharks, water moccasin, fire ants, and mosquitos. Common names include variants on water moccasin, swamp moccasin, black moccasin, cottonmouth, and simply viper. On the night the two decide to escape, Harriett is killed by a water moccasin. Hegemony (runner-up in the Coventry Stakes), Executive Man (Premio Primi Passi) and Water Moccasin (Zukunfts-Rennen).