In a winter of thin ice and warm temperatures, the message to spearfishing aficionados is clear: Be careful out there.

Spearing before the advent of the ice shanty.

Sea Grant’s Chris Bocast and Ron Bruch, a biologist with the Wisconsin Department of Natural Resources, are investigating the biological processes that produce sturgeon “thunder.” Sturgeon have now been discovered to be in the company of whales, elephants and other large animals that produce infrasonic sound.

A brief history of slippery, ever shifting sturgeon spearing laws.

As part of the lead-up to the launch of the 80th annual sturgeon spearing season on Feb. 11, our outreach specialist shares some thoughts about the unique experience of sturgeon culture.

UW-Milwaukee’s School of Freshwater Sciences recently received a remotely operated vehicle from Collins Engineers Inc. The Milwaukee firm is supporting the work of aspiring underwater engineers, and other Sea Grant-funded researchers with the technology.

Visitors reveal some surprising information about what they don’t know and would like to know about five beaches in Milwaukee County.

UW Sea Grant videographer John Karl dropped in on a meeting to kick off remediation projects in the Sheboygan River Area of Concern.

On the first day of Christmas, our AIS specialist gave to us…some great information on his favorite topic. Sing along, won’t you?

Dr. William Karasov’s research shows commonly used manufacturing flame retardant increases mortality, stunts growth of tadpoles.