By: Brandon Vega

scientific name

didymosphenia geminata


it looks like fiber glass or toilet tissue and feels like wet cotton is not slimy commonly brown tan or a yellowish color.

birth place

Northern Europe and northern North america

Method of transportation

fishing equipment, waders, boats, and just about any thing that has come in contact with didymo infected water.

Last seen

East and west Branches of the Delaware river as far south as Callicoon, new york


Ruins habitat and kills native species


must take good care to inspect, clean, and dry all equipment