If you come across one of these goopy colonies, don't fear! While they may be gross, they are native to the Great Lakes and harmless to the waters.

HCN has covered the lands, wildlife and communities of the Western U.S. for more than 50 years. Get to know the West better by signing up to receive HCN’s on-the-ground reporting and investigations in ...

Pyrosomes, colonial tunicates, are/or colonial organisms as are they referred to, are made up of hundreds to thousands of individual tunicates called Zooids! Many may mistake the organism as a “jelly, ...

Numerous life forms, in fact. More remarkable than its appearance is what this animal is actually made up of: It is not a single organism but a “roving colony made up of thousands of individual ...