Hydrodictyon

The water net (genus Hydrodictyon) is a taxon of green algae of the family Hydrodictyaceae. Its name water net comes from its shape, which looks like a netlike hollow sack. It can grow up to several tens of cm. Hydrodictyon like clean, eutrophic water and has become a pest in New Zealand, where it has been recently introduced. The Water Net gets its name from the large (usually pentagonal or hexagonal) mesh that they...