This is a list of Pokémon that are found in the Great Marsh in Pokémon Diamond and Pearl and Pokémon Platinum. Trending pages Noctowl Hoothoot Psyduck All items (3) # A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Other H Hoothoot N Noctowl P Psyduck Community content is available under CC-BY-SA unless otherwise noted.