It can also act as a breeding ground for certain species of fish. There are pros and cons for keeping duckweed in a home aquarium or ponds for that matter. It has the ability to rapidly grow ...

Without it, pond owners may find their pond surfaces littered with dead fish. Duckweed can choke out a pond -- and the fish that live in it. Many ponds and lakes throughout the region can be seen ...

In fact, often the green covering is a collection of thousands of individual floating common duckweed plants. Contrary to the belief of no movement in the pond, duckweed grows at an astonishing rate.