Sign in

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

PostsRepliesMedia
Titus Seilheimer @drfishsg.bsky.social · 29/09/2026
Lake Michigan
A large lake framed by poplar trees
070
Titus Seilheimer @drfishsg.bsky.social · 28/09/2026
Last of the shiners for #SundayFishSketch.
Ink sketches of 9 head-on shiners
0174
Reposted by Titus Seilheimer
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!
081
Reposted by Titus Seilheimer
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.
022
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
032
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
041
Reposted by Titus Seilheimer
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…
001
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!
22910
Reposted by Titus Seilheimer
Paul Tobin @paultobin.bsky.social · 20/09/2026
Miss Idaho stealin' my signature look.
1120142
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.
190
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
020
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
020
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
020
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...
094
Reposted by Titus Seilheimer
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…
022
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
052
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…
020
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…
051
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
020
Titus Seilheimer @drfishsg.bsky.social · 13/09/2026
Emerald shiner for #SundayFishSketch
Head on ink sketch of a fish
03811
Reposted by Titus Seilheimer
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 …
041
Reposted by Titus Seilheimer
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.
04321
Reposted by Titus Seilheimer
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.
032
Titus Seilheimer @drfishsg.bsky.social · 07/09/2026
Surprised and Sad Sculpins. #SundayFishSketch Mottled and Slimy!
Head-on ink fish sketches.
04114
Reposted by Titus Seilheimer
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
011
Reposted by Titus Seilheimer
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.
1148
Reposted by Titus Seilheimer
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.
032
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.
0262
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
071
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.
071
Titus Seilheimer @drfishsg.bsky.social · 01/09/2026
President's Fishery Conservation Award goes to Marc Garden Great Lakes Fishery Commission. #AFS156
051
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.
021
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.
180
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...
041
Titus Seilheimer @drfishsg.bsky.social · 28/08/2026
Roll in to town, find the water.
River and bridge
090
Titus Seilheimer @drfishsg.bsky.social · 28/08/2026
If you see this, post your getaway vehicle.
static.klipy.com
Man Canoeing on Lake with Beer
ALT: Man Canoeing on Lake with Beer
140
Titus Seilheimer @drfishsg.bsky.social · 24/08/2026
Long-term dynamics of the Lake Huron benthic community #GreatLakes 🧪 www.sciencedirect.com/science/arti...
sciencedirect.com
021
Titus Seilheimer @drfishsg.bsky.social · 24/08/2026
Giddy up, lots of redhorse this week. Today was the River Redhorse. Redhorse are large scaled members of the sucker family. #SundayFishSketch
Six head on fish faces. Pumpkinseed and five Redhorse.
0206
Titus Seilheimer @drfishsg.bsky.social · 22/08/2026
Why not get someone special in your life the gift of facts about sharks this year! Labor Day, Groundhogs Day, Lincoln's Birthday? Dr. Shiffman is your top choice for all of them!
041
Titus Seilheimer @drfishsg.bsky.social · 21/08/2026
I'm the kind of "fish biologist" who learns about the species change of Largemouth Bass from salmoides to nigricans in the May 2026 Fisheries. Yeah, I'm not really on top of the science...
280
Titus Seilheimer @drfishsg.bsky.social · 21/08/2026
Comparing 3-D visual and 2-D tactile encounter rates and their consequences for predation in benthic and pelagic habitats #GreatLakes 🧪 www.sciencedirect.com/science/arti...
sciencedirect.com
Comparing 3-D visual and 2-D tactile encounter rates and their consequences for predation in benthic and pelagic habitats
Encounter rate models are important tools for evaluating and estimating trophic interactions between species. While encounter rate parameters have bee…
062
Titus Seilheimer @drfishsg.bsky.social · 20/08/2026
Competition between invasive round goby and native slimy sculpin in a coldwater laboratory setting #GreatLakes 🧪 www.sciencedirect.com/science/arti...
sciencedirect.com
141
Titus Seilheimer @drfishsg.bsky.social · 18/08/2026
It's a fun day (even if you don't really get to do any of the fun science stuff).
010
Titus Seilheimer @drfishsg.bsky.social · 18/08/2026
Provisioning fishing and place-based relations among resettled refugees in the Lake Champlain basin #GreatLakes 🧪 www.sciencedirect.com/science/arti...
sciencedirect.com
010
Titus Seilheimer @drfishsg.bsky.social · 18/08/2026
Bayesian hierarchical model of lake whitefish cohort strength from sparse trawl data #GreatLakes 🧪 www.sciencedirect.com/science/arti...
sciencedirect.com
070
Titus Seilheimer @drfishsg.bsky.social · 18/08/2026
What drives interannual variability in the onset of summer stratification in the Laurentian Great Lakes? #GreatLakes 🧪 www.sciencedirect.com/science/arti...
sciencedirect.com
What drives interannual variability in the onset of summer stratification in the Laurentian Great Lakes?
Icy winters in the Great Lakes tend to be followed by late onset of summer stratification and cool surface waters the subsequent summer. This has, in …
050
Titus Seilheimer @drfishsg.bsky.social · 17/08/2026
Tried something with today's grass pickerel for #SundayFishSketch. Not sure if it worked but certainly goes well with that head-on paddlefish...
Ink sketches of head on views of 5 fish species.
1206
Titus Seilheimer @drfishsg.bsky.social · 12/08/2026
My summer intern is going deep on squid facts because I wore my shirt today @sarahmackattack.bsky.social! You might notice a jump in traffic today!
170
Titus Seilheimer @drfishsg.bsky.social · 10/08/2026
Western Mosquitofish and some other "m" fish for #SundayFishSketch. Why so sad fishes?
Head-on ink sketches of four Wisconsin fish species.
0206
Titus Seilheimer @drfishsg.bsky.social · 08/08/2026
From marsh to open water: Sediment dynamics and ecological response to natural and anthropogenic change in a lacustrine fringe wetland 🧪 www.sciencedirect.com/science/arti...
sciencedirect.com
From marsh to open water: Sediment dynamics and ecological response to natural and anthropogenic change in a lacustrine fringe wetland
The ecological function of Netley Marsh, a lacustrine fringe wetland situated between the Red River and Lake Winnipeg in Manitoba, Canada, has undergo…
042