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Titus Seilheimer

@drfishsg.bsky.social
3K followers 2K following 3K posts

Aquatic ecology & Fisheries with Wisconsin Sea Grant. Science Communication. Helping improve the Great Lakes since 2001. #Freshwater, #Fish, #GreatLakes! He/Him. Manitowoc, WI go.wisc.edu/j0c989

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Titus Seilheimer @drfishsg.bsky.social · 06/10/2026
Is it a stealth Muppet babies Reboot?
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Titus Seilheimer @drfishsg.bsky.social · 06/10/2026
That freshwater mussel and lake whitefish crossover everyone has been asking for! Documentation of giant floater (Pyganodon grandis) glochidia attached to larval lake whitefish (Coregonus clupeaformis) in the Laurentian Great Lakes #GreatLakes 🧪 www.sciencedirect.com/science/arti...
sciencedirect.com
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Titus Seilheimer @drfishsg.bsky.social · 05/10/2026
Comparative analysis of digital PCR, quantitative PCR, and culture-based enumeration of Escherichia coli at three freshwater beaches in Milwaukee, Wisconsin #GreatLakes 🧪 www.sciencedirect.com/science/arti...
sciencedirect.com
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Titus Seilheimer @drfishsg.bsky.social · 05/10/2026
A smorgasbord of fishes for #SundayFishSketch.
Head-on ink sketches of 7 fish species.
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Titus Seilheimer @drfishsg.bsky.social · 02/10/2026
October is Seafood Month! Get some seafood today!
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Titus Seilheimer @drfishsg.bsky.social · 02/10/2026
It's spooky month and I think I'll watch X-Files every day!
static.klipy.com
X Files: I Want to Believe Poster
ALT: X Files: I Want to Believe Poster
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Wisconsin Sea Grant @uwiscseagrant.bsky.social · 01/10/2026
What's the most effective way to communicate about PFAS in drinking water? Gavin Dehnert, our emerging contaminants scientist, and Lyn van Swol, UW–Madison communication arts professor, discuss best practices in the latest episode of Water Talk. www.watertalkpodcast.com
watertalkpodcast.com
Water Talk
Meet water talk - a podcast by water specialists at the University of California’s Division of Agriculture and Natural Resources. The goal of Water Talk is to bring communities across California together to talk about water issues, including climate change, agriculture, and more.
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Katie O'Reilly @drkatfish.bsky.social · 01/10/2026
A small business in northern Minnesota is harvesting and selling invasive rusty crayfish, including to a James Beard award-winning restaurant in Minneapolis www.mprnews.org/story/2026/0...
mprnews.org
From lake to table: Turning Minnesota's invasive crayfish into a local delicacy
Rusty crayfish have invaded more than 300 northern Minnesota lakes. Can Midwestern appetites help manage a destructive invasive species?
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Titus Seilheimer @drfishsg.bsky.social · 29/09/2026
Ok, best ketchup poll!!!
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Titus Seilheimer @drfishsg.bsky.social · 29/09/2026
Lake Michigan
A large lake framed by poplar trees
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Titus Seilheimer @drfishsg.bsky.social · 28/09/2026
Last of the shiners for #SundayFishSketch.
Ink sketches of 9 head-on shiners
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Jonathan C Slaght @jonathanslaght.com · 25/09/2026
any Bluesky folks in Beijing? I'm giving a Tigers Between Empires book talk on October 8, moderated by the brilliant Terry Townshend (wildbeijing.org). More info and registration here: rasbj.glueup.cn/event/tigers...
Poster for a talk about tigers! In China!
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Wisconsin Sea Grant @uwiscseagrant.bsky.social · 24/09/2026
September is Coastal Awareness Month! Check out the Wisconsin Great Lakes Chronicle, which shares stories about projects that protect and preserve the Great Lakes and coastal areas. A few Sea Grant-involved projects made the cut. doa.wi.gov/Pages/LocalGovtsGrants/C…
Governor Evers and members of the East River Collaborative look at a map of the East River watershed.
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Titus Seilheimer @drfishsg.bsky.social · 24/09/2026
Shiners ARE judging you!
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Titus Seilheimer @drfishsg.bsky.social · 24/09/2026
Lake Michigan nearshore sediments record recent unprecedented shifts in ecosystem structure and botulism occurrence #GreatLakes 🧪 www.sciencedirect.com/science/arti...
sciencedirect.com
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Titus Seilheimer @drfishsg.bsky.social · 24/09/2026
Application of novel encounter and predation models to the natural behavior of slimy sculpin Cottus cognatus #GreatLakes 🧪 www.sciencedirect.com/science/arti...
sciencedirect.com
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Wisconsin Sea Grant @uwiscseagrant.bsky.social · 22/09/2026
Are you working to make swimming safer in the Great Lakes? Don't miss the Great Lakes Water Safety Conference on October 1-2, 2026! Register: www.greatlakeswatersafety.org/confe…
greatlakeswatersafety.org
Conference — Great Lakes Water Safety
October 1-2, 2026 Demo Day: September 30 South Haven, Michigan Great Lakes Water Safety Conference 2026 Register Why Attend? Schedule Speakers Venue Lodging Pricing Sponsors About the Conference The Great Lakes Water Safety Consortium is bringing the water safety community back together – in person…
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Titus Seilheimer @drfishsg.bsky.social · 21/09/2026
Shiners, shiners, shiners for #sundayfishsketch. Today is Red Shiner and a bonus of 9 other shiners!
Head-on ink sketch of red Shiner.Nine shiner sketches, what more do you want!
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Paul Tobin @paultobin.bsky.social · 20/09/2026
Miss Idaho stealin' my signature look.
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Titus Seilheimer @drfishsg.bsky.social · 21/09/2026
They DO NOT know enough about snails!
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Titus Seilheimer @drfishsg.bsky.social · 19/09/2026
And there was lots of fish! Huzzah!
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Titus Seilheimer @drfishsg.bsky.social · 19/09/2026
Basically but this one was made with old fashioned mix with sprite.
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Titus Seilheimer @drfishsg.bsky.social · 19/09/2026
Eating fish and talking fish. Not a bad day at work.
Table set with a fish fry menu.
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Titus Seilheimer @drfishsg.bsky.social · 18/09/2026
Assessing density-dependent effects on lake trout growth and recruitment in US waters of Lake Huron #GreatLakes 🧪
sciencedirect.com
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Titus Seilheimer @drfishsg.bsky.social · 18/09/2026
Storm-driven shoreline changes near a rubble ridge shore protection project at Illinois Beach State Park, Lake Michigan #GreatLakes 🧪 www.sciencedirect.com/science/arti...
sciencedirect.com
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Titus Seilheimer @drfishsg.bsky.social · 18/09/2026
Thermal habitat use of lake trout in Lake Erie #GreatLakes 🧪 www.sciencedirect.com/science/arti...
sciencedirect.com
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Titus Seilheimer @drfishsg.bsky.social · 18/09/2026
How is fish treated and managed both as a food and a natural resource in the #GreatLakes? It's complicated! www.frontiersin.org/journals/sus... Our new paper digs into the topic. 🧪
frontiersin.org
Frontiers | The complexity of fish as food and a natural resource in the U.S. Great Lakes region
The Great Lakes region contains more than 20% of the world’s surface freshwater and supports a culturally, economically, and ecologically significant seafood...
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Wisconsin Sea Grant @uwiscseagrant.bsky.social · 14/09/2026
Readers, it's your season! 🍂 And Great Lakes, Great Read has a full slate of events to cater to your bookish needs. First up: Join us for a conversation with "Saving our Sturgeon" author Rebecca Wojahn on October 14, 2026 at 6 p.m. greatlakesgreatread.org
greatlakesgreatread.org
Great Lakes, Great Read
Great Lakes, Great Read is a “one book, one community” program designed to inspire passion and connection to the Great Lakes Watershed through reading. There is a need for greater education about the Great Lakes as an important natural resource. While approximately 34 million people in the U.S. and…
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Titus Seilheimer @drfishsg.bsky.social · 14/09/2026
Same for me. I grew up near the Chippewa River in NW Wisconsin which is full of sturgeon, apparently!
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Titus Seilheimer @drfishsg.bsky.social · 14/09/2026
Mercury methylation in Laurentian Great Lakes tributaries across a gradient in stream water sulphate #GreatLakes 🧪 www.sciencedirect.com/science/arti...
sciencedirect.com
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Titus Seilheimer @drfishsg.bsky.social · 14/09/2026
Seasonal space use and spatial overlap of lake sturgeon populations using Lake St. Clair #GreatLakes 🧪 www.sciencedirect.com/science/arti...
sciencedirect.com
Seasonal space use and spatial overlap of lake sturgeon populations using Lake St. Clair
Multi-jurisdictional management of adult lake sturgeon (Acipenser fulvescens) requires characterizing seasonal dynamics of their spatial distributions…
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Titus Seilheimer @drfishsg.bsky.social · 14/09/2026
A decade of oil spills in the Laurentian Great Lakes (2015–2024): A review of incidents, trends, and lessons for environmental protection #GreatLakes 🧪 www.sciencedirect.com/science/arti...
sciencedirect.com
A decade of oil spills in the Laurentian Great Lakes (2015–2024): A review of incidents, trends, and lessons for environmental protection
Oil spills in the Laurentian Great Lakes are a growing concern coincident with aging infrastructure, and increased oil and gas production and transpor…
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Titus Seilheimer @drfishsg.bsky.social · 14/09/2026
Investigating the difference between local water quality perceptions and the Qualitative Habitat Evaluation Index (QHEI) in the Maumee River watershed #GreatLakes 🧪 www.sciencedirect.com/science/arti...
sciencedirect.com
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Titus Seilheimer @drfishsg.bsky.social · 13/09/2026
Emerald shiner for #SundayFishSketch
Head on ink sketch of a fish
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Wisconsin Sea Grant @uwiscseagrant.bsky.social · 11/09/2026
A warm welcome to the new UWM Center for Water Policy fellows! Recent law grads Thomas and Josh will be researching water challenges and policy over the coming year. uwm.edu/centerforwaterpolicy/the-ce…
uwm.edu
The Center for Water Policy Welcomes Three New Fellows!
We’re excited to welcome Max Overdevest, Thomas Dunbar, and Josh Marion, as the Center for Water Policy’s new fellows! Max is the Center’s fourth Water Policy and Communications Fellow who is also pursuing his master’s degree in Freshwater Sciences and Water …
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Titus Seilheimer @drfishsg.bsky.social · 10/09/2026
It's true!
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Katie O'Reilly @drkatfish.bsky.social · 10/09/2026
In some areas of Lakes Michigan and Huron, almost no whitefish hatchlings have survived to adulthood for nearly two decades. Now, state and tribal scientists are collecting spawning whitefish - a kind of Noah's Ark attempt to save several distinct genetic strains bridgemi.com/michigan-env...
bridgemi.com
With no time to spare, Michigan hatches a Great Lakes whitefish rescue plan - Bridge Michigan
With little time left to avert a population collapse, officials plan to pluck whitefish from the mussel-infested Great Lakes and raise their offspring in hatcheries.
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Wisconsin Sea Grant @uwiscseagrant.bsky.social · 09/09/2026
Shipwrecks! Great Lakes! Intrigue! The new Dive into History book club has got something for everyone, whether you're a shipwrecks buff or simply love the lakes. The first pick is "Wrecked: The Edmund Fitzgerald and the Sinking of the American Economy." seagrant.wisc.edu/dive-into-history
seagrant.wisc.edu
New book club explores the mysteries of Great Lakes shipwrecks
The Dive into History book club will feature books from regional authors and discussions with a maritime archaeologist.
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Titus Seilheimer @drfishsg.bsky.social · 07/09/2026
Surprised and Sad Sculpins. #SundayFishSketch Mottled and Slimy!
Head-on ink fish sketches.
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Wisconsin Sea Grant @uwiscseagrant.bsky.social · 04/09/2026
Some nice coverage of Wisconsin's student winners of the 2026 Aquaculture Challenge in the latest issue of Aquaculture North America! 🐟 issuu.com/annexbusinessmedia/docs/a…
issuu.com
ANA - September - October 2026
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Katie O'Reilly @drkatfish.bsky.social · 05/09/2026
ICYMI: the stop-work order on the Brandon Road invasive carp barrier project was lifted this week, though there has still been no reason given for the stoppage news.wttw.com/2026/09/03/t...
news.wttw.com
Trump Lifts Stop-Work Order on Great Lakes Invasive Carp Barrier, Construction to Resume
Work on the critical carp barrier was halted in late July. On Wednesday, the White House lifted the stop-work order.
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Wisconsin Sea Grant @uwiscseagrant.bsky.social · 02/09/2026
A watershed-wide problem requires a watershed-wide solution. Enter the East River Collaborative, a Wisconsin Sea Grant-coordinated effort building flood resilience in the Green Bay area. impact.wisc.edu/uw-madison-and-gree…
impact.wisc.edu
UW–Madison and Green Bay-area partners build flood resilience along the East River
With coordinating support from UW–Madison's Wisconsin Sea Grant, the East River Collaborative brings together The Nature Conservancy, NEW Water and local governments to build a more resilient East River watershed.
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Titus Seilheimer @drfishsg.bsky.social · 02/09/2026
Seeing a former summer intern now a PhD student and presenting at #AFS156: Priceless! @garlab.bsky.social @solomonrdavid.bsky.social
Gars on the screen, Gabby read to talk.
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Titus Seilheimer @drfishsg.bsky.social · 01/09/2026
Great science communication collaboration project on reducing walleye mortality. #AFS156 www.keepfishwet.org/walleye-in-o... Aaron Shultz Great Lakes Indian Fisheries Commission reports on it.
keepfishwet.org
Walleye In Our Hands — Keep Fish Wet
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Titus Seilheimer @drfishsg.bsky.social · 01/09/2026
And it's new AFS Fellow Dr. Karen Murchie! Congratulations from me and all the suckers! #AFS156
Karen gets honored for her great work.
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Titus Seilheimer @drfishsg.bsky.social · 01/09/2026
President's Fishery Conservation Award goes to Marc Garden Great Lakes Fishery Commission. #AFS156
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Titus Seilheimer @drfishsg.bsky.social · 01/09/2026
Matt Cashman USGS www.usgs.gov/special-topi... #AFS156
usgs.gov
National Water Availability Assessment Report
The National Water Availability Assessment reports provide synthesis and interpretation of water availability in the past, present, and future.
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Titus Seilheimer @drfishsg.bsky.social · 01/09/2026
aquaticbarriers.org #AFS156
aquaticbarriers.org
The National Aquatic Connectivity Collaborative provides access to aquatic barriers data, prioritization tools, and aquatic connectivity teams.
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Titus Seilheimer @drfishsg.bsky.social · 01/09/2026
Looking at culverts is cool. Join the Passage Patrol! Snap a picture and their model will assess if it is a barrier based on their huge database. Kathleen Hoenke, National Fish Passage Partnership at #AFS156
Conference speaker with a slide about the Passage Patrol with a QR code.
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Titus Seilheimer @drfishsg.bsky.social · 01/09/2026
Resilient River Explorer from The Nature Conservancy. Mary Khoury presents at #AFS156 www.maps.tnc.org/resilientriv...
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