Mark Fritts

Man holding bighead cap
Fish Biologist
La Crosse Fish and Wildlife Conservation Office
Fish and Aquatic Conservation
Aquatic Invasive Species
Address

555 Lester Ave
Onalaska, WI 54650
United States

(608) 455-0308
Send a Message

Contact Mark Fritts

Fill out the form below to send a message.

If you would like a response, please provide your name and email address. If you are a minor, please get your parent’s or guardian’s help to contact us.

CAPTCHA
This question is for testing whether or not you are a human visitor and to prevent automated spam submissions.

For more on what we do with information you provide and how we protect your privacy, see our privacy statement.

Cancel

Areas of expertise
Telemetry

In The News

Woman in usfws uniform looks through microscope
Our Partners
Getting on the same page: aging invasive carp with partners
What do you do when a group of people are looking at the same thing but have a different opinion on what they’re looking at? You get to the heart of it and get on the same page. The inner ear of carp holds key information on how old they are but determining the age of a fish is tricky. Similar to a...