“Freshwater wetlands, creeks and rivers are important nursery grounds with abundant food resources that will help our native fish to grow fast, and to travel back downstream and breed in the tropical ...

Before arriving in North America, the species is believed to have invaded South American rivers through ballast water—the ...

You might think of snails as the little shelled creatures that you find crawling in your garden, or even as a delicacy of French cuisine, where they are called "escargot." But there are snails that ...

U.S. Geological Survey Fishery Biologist Vicki Blazer recently published an extensive study on PFAS in fish collected from ...

As a lake researcher, I have in recent years had quite a few people ask me whether jellyfish really do live in lakes. Some ...

Arapaima are the largest freshwater fish in South America—and a keystone species in the Amazon River ecosystem.

A new paper published today, led by Chicago's Shedd Aquarium, reveals how volunteers across Illinois, Wisconsin and Michigan ...

State officials Monday launched a new campaign to prevent the illegal dumping and spread of non-native marine aquarium ...

The weeklong “Don’t Let It Loose” campaign aims to prevent aquarium owners from releasing these invasive species into the ...

Peach blossom jellyfish are extremely rare. The DNR said the last reported sighting of them in Iowa was in Ames in 2019. The last time before that was in Mason City way back in 1999.