The beautiful and unique Hygrophila ‘Araguaia’ is named after the river system of the same name in Brazil, although it is known to originate from South and East Asia, and is also known as Hygrophila lancea. In the wild it grows as a marsh plant and along rivers up to 70cm tall, but remains much smaller in the aquarium environment. It has been widely spread amongst hobbyist in North America but only in recent years become more popular and available in Europe.