Significance To Humans

Triops longicaudatus is also known as the rice tadpole shrimp and is considered a pest species of rice fields where the rice is germinated in the field (mainly in the United States and Spain). T. longicaudatus damages the roots and leaves of seedling rice plants and also muddies the water, impeding the access of sunlight to the developing plants. In Japan, where the rice is transplanted, the long tail tadpole shrimp cannot harm the rice because it is too big and resistant to its attack. Instead, Japanese rice farmers use T. longicaudatus as a biological control agent against weeds. Dried cysts of T. longicaudatus are sold in kits to be bred as aquatic pets. ♦

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