Wishing you calm seas @alltooclearfilm.bsky.social! In partnership with @harknesslab.bsky.social and @lakeheaduniversity.bsky.social, we will be sinking an autonomous up-looking echosounder that will ping 24/7 to help understand the diel behaviour of fish and zoop at Sup Shoal. Be sure to tune in!

Hidden Below: The Great Lakes@hiddenbelow.bsky.social · 11mo ago

Pre-dawn departure from Duluth - steaming for 24 hours to get to the Superior Shoal. @CTVLondon picked up the story, check it out: www.ctvnews.ca/london/artic... See the Superior Shoal for yourself on the LIVEstream this Sunday 3-5pm ET. www.youtube.com/live/oKB_iw8...

Lake Simcoe never disappoints- lots of prey fish to see with our echosounder tonight. #LakeSimcoe

Beautiful morning to be out pinging in Parry Sound (Georgian Bay, Lake Huron).

Many reasons why the feds need to keep science staff. Invasive species & water know no boundaries. The quagga mussel is in at least 17 states & Canada. There needs to be strong cooperative programs & research to deal with invasives. 🌊🌊 @alltooclearfilm.bsky.social www.wpr.org/environment/...

Quadrillions of invasive mussels are damaging the Great Lakes, documentary shows

Since the late 1990s, the lake whitefish population has declined as much as 80 percent in parts of the Great Lakes. The culprit is a tiny invasive species called the quagga mussel.

wpr.org

Experts warn the consequences of employee cuts could be drastic. Story by @npr.org: www.npr.org/2025/02/27/n...

Trump administration layoffs hit NOAA, agency that forecasts weather, hurricanes

The National Oceanic and Atmospheric Administration houses key groups like the National Weather Service. Experts warn the consequences of employee cuts could be drastic.

npr.org

📣 TWO WEEKS UNTIL WE STAND UP FOR SCIENCE! 📣 On March 7th, we’re Standing Up for Science in DC & ALL 50 STATES to make our voices heard. We hope you’ll join us! ☀️ #sciencenotsilence #scienceforall #standupforscience2025

It is tough to do sea lamprey control in the US waters of the Great Lakes when front line control agents are fired. Just one of the consequences associated with random terminations of environmental professionals in the US. www.bridgemi.com/michigan-env...

Trump firings hit Great Lakes sea lamprey program, Michigan forestry workers | Bridge Michigan

Fish and wildlife officials tasked with holding back a species that would otherwise decimate the Great Lakes fishery were among those caught up in a mass purge of federal workers. Dozens, if not hundr...

bridgemi.com

Lake Erie, other Great Lakes could be damaged by Trump’s funding cuts, hiring freezes www.toledoblade.com/local/enviro...

Lake Erie, other Great Lakes could be hurt by federal cuts and hiring freezes

Two of the biggest threats to the Great Lakes region’s $7 billion fishery — invasive carp and sea lampreys — will get worse if the Trump Administration’s ...

toledoblade.com

🚨Paper alert Steve Campana et al rewrite the history of Atlantic cod and the #Iceland ground fishery A must read! #Fish #Fisheries #OceansPast Mortality drives production dynamics of Atlantic cod through 1100 years of commercial fishing | Science Advances www.science.org/doi/10.1126/...

Mortality drives production dynamics of Atlantic cod through 1100 years of commercial fishing

Fishing in the Viking era did not affect the Icelandic cod population, but foreign markets in the 14th century changed everything.

science.org

Age-dependent juvenile mortality explains delayed smolting in a declining steelhead population #GreatLakes 🧪 www.sciencedirect.com/science/arti... @not-klaatu.bsky.social @airydunlop.bsky.social

Age-dependent juvenile mortality explains delayed smolting in a declining steelhead population

Fish populations in the Laurentian Great Lakes have undergone major changes over recent decades. Demographic changes in fish populations are often acc…

sciencedirect.com

The winters they are a-changin’ www.jsonline.com/story/news/l...

New data shows winters in Great Lakes region shrinking by two or more weeks since 1995

The study fills in more gaps about what goes on out in the lakes during the winter months. Until now, most Great Lakes research has been done on land.

jsonline.com

We're back in February for more conservation science! Join Dr. Mark Ridgway for the scoop on Algonquin Park lake fish. There's more going on beneath the waters than we thought!

🌍 Just published: "Knowledge brokers at the interface of environmental science and policy: A review of knowledge and research needs." We explore how KBs build capacity for evidence-informed decision-making & shine a light on the often 'invisible' work they do. www.sciencedirect.com/science/arti...

This year’s results bring an end to a streak of wildly successful hatches for walleye. www.greatlakesnow.org/2024/12/wall...

Walleye Numbers are Down in Lake Erie | Great Lakes Now

Numbers for walleye are down but up for perch with steelhead fishing soon in Cleveland — according to Ohio Division of Wildlife 2024 trawl survey.

greatlakesnow.org

Alewife in the #GreatLakes are sensitive to seiche-driven upwelling events, forcing large schools to go tight to shore. Implications for potential fish entrainment at cooling-water intake facilities. Results from a fish diversion system monitoring study using #acoustics. 🐟 doi.org/10.1080/0275...

🐟 What drives fish recruitment in the Great Lakes? ✍️ In the latest #IJMS #EditorsChoice, @tabrown.bsky.social examines 60 years of Lake Whitefish & Cisco trends, offering key insights for fisheries management. 👉 Read more: doi.org/10.1093/ices... youtu.be/-jQvHyKBqNo?...

Editor’s Choice-Nearly 6 decades of recruitment trends for Lake whitefish & Cisco in the Great Lakes

YouTube video by ICES - International Council for the Exploration of the Sea

youtu.be

How Many Fish Species Are in North America? Nice work @jjschmittersoto.bsky.social et al. bioone.org/journals/ich...

How Many Fish Species Are in North America?

Le Comité sur les Noms des Poissons, un comité conjoint de la Société Americaine de Pêcheries et de la Société Americaine des Ichtyologistes et Herpetologistes, a publié la dernière édition de la list...

bioone.org

They wanted to be engineers. Geneviève Bergeron Maryse Laganière Hélène Colgan Maryse Leclair Nathalie Croteau Anne-Marie Lemay Barbara Daigneault Sonia Pelletier Anne-Marie Edward Michèle Richard Maud Haviernick Annie StArneault Barbara Klucznik-Widajewicz Annie Turcotte #ÉcolePolytechnique #Dec6

Check out this new paper led by @tabrown.bsky.social on recruitment trends in coregonines dating back to the 1960s in the #GreatLakes and #LakeSimcoe. Lake whitefish showed synchrony across lakes whereas cisco were more sporadic. academic.oup.com/icesjms/adva...

Registration for Michigan State University Extension's award-winning Introduction to Lakes Online course is open! This six-week online class is designed for anyone interested in gaining a greater appreciation for inland lakes. Come learn about lakes with us! www.canr.msu.edu/courses/intr...

Check out this new paper led by @tabrown.bsky.social on recruitment trends in coregonines dating back to the 1960s in the #GreatLakes and #LakeSimcoe. Lake whitefish showed synchrony across lakes whereas cisco were more sporadic. academic.oup.com/icesjms/adva...

Wanna learn more about what we do? Have a look at some of the #hydroacoustic services we provide. Our promo doc includes clickable links to videos, echograms, case studies and examples. Thx for check'n it out! 📌 www.milnetechnologies.ca/MilneTech_Do...

Yesterday was our final day of tagging spawning lake whitefish on Lake Simcoe. We will be tracking the movements of these fish around the lake.

Are you a fish telemetry practitioner? The 7th International Conference on Fish Telemetry will take place June 8-13, 2025 in Traverse City, Michigan, USA. The conference website is now live for abstract submission and details on the venue. Help spread the word. event.fourwaves.com/7thicft/pages

International Conference on Fish Telemetry (7th ICFT)

Fourwaves - International Conference on Fish Telemetry (7th ICFT)

event.fourwaves.com

Very happy to share our new paper (also my 1st, first-author pub!), which is the result of several years of relationship building, planning, adapting, learning, and reflecting amongst an incredible collaborative team. So awesome to see it out in the world! www.facetsjournal.com/doi/10.1139/...

Weaving ways of knowing in practice: a collaborative approach to prioritizing community knowledge and values in wildlife camera monitoring with Magnetawan First Nation

There is not one singular way to weave together Indigenous and Western knowledges; creating meaningful cross-cultural collaborations requires a foundation of relationships rooted in the context of spe...

facetsjournal.com

Just for fun, here is the echogram video for Lake Trout Tag ID 4 from Fig 6 panel b. Note the Cisco school displaying "Fountain Effect" upon Lake Trout attack from below. Super windy day so hope video doesn't make you feel too sea-sick!

The video animated from Fig 6. We found that Lake Trout are often "pack hunters", displaying coord'd attacks on Cisco schools from below. Obs attack speeds >3 m/s at 5 m from school! The #sonar tag detection tool could track the fine-scale movements of individuals and map out their prey fields.

#ThrowbackThursday; this one from 2007. Tracking tagged (and untagged) Lake Trout using multibeam #sonar and 200 kHz #acoustic tags. 3D model from "Tag01" in TAFS paper by @airydunlop.bsky.social , @harknesslab.bsky.social , @echoview.bsky.social , et al. doi.org/10.1577/T08-... #hydroacoustics

Black Bass 2025. storymaps.com/stories/baf0...

Black Bass Symposium

San Antonio, Texas • August 10 -14, 2025

storymaps.com

This was a cool study and fun paper to write. We followed acoustically tagged lake around with a multibeam sonar to study their behaviour. Observed attacks on prey fish schools and interactions with other lake trout.

Scott Milne (Milne Technologies)@milnetechnologies.ca · 2y ago

#ThrowbackThursday; this one from 2007. Tracking tagged (and untagged) Lake Trout using multibeam #sonar and 200 kHz #acoustic tags. 3D model from "Tag01" in TAFS paper by @airydunlop.bsky.social , @harknesslab.bsky.social , @echoview.bsky.social , et al. doi.org/10.1577/T08-... #hydroacoustics