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New study shows that stocking long-reared European grayling brood fish yields low recapture rates and poor adaptability in natural rivers. We recommend using younger stock and catch-and-release strategies to improve conservation efforts: doi.org/10.1111/jfb.16071 #Conservation #FreshwaterFish #JFB
http://doi.org/10.1111/jfb.16071

@TheFSBI https://fsbi.org.uk/symposium-2025/

#FishSci #MarineBiology #TeamFish #Belfast #FreshwaterFish #Fish

After the storms Daniel and Elias last autumn, around 20,000 hectares of plains in #Thessaly were flooded, and various #FreshwaterFish were carried by rivers to the sea.

On Tuesday alone, authorities had removed 57 tons of the #DeadFish washed up on beaches near #Volos. #ExtremeWeather #Greece

Greek Port City In A State Of Emergency Over Flood Of Dead Fish
https://www.barrons.com/news/greek-port-city-in-a-state-of-emergency-over-flood-of-dead-fish-89c9dbbc

A climate-related mass #dieoff leaves over 100 tons of dead #fish collecting at a Greek port

By VAGGELIS KOUSIORAS and DEREK GATOPOULOS
Updated 1:37 AM EDT, August 30, 2024

VOLOS, #Greece (AP) — "More than 100 tons of dead fish were collected in and around the port of #Volos in central Greece after a mass die-off linked to extreme weather fluctuations, authorities said Thursday.

"The dead #FreshwaterFish filled the bay 320 kilometers (200 miles) north of #Athens, and nearby rivers. Water levels were swollen by #floods in 2023, followed by months of #SevereDrought.

"The die-off has hit local businesses along the seafront, reducing commercial activity by 80% in the past three days, according to Volos’ Chamber of Commerce.

"Fishing trawlers have been chartered by the regional authorities, along with earthmovers, to scoop the dead fish out of the sea and load them onto trucks bound for an incinerator.

"The fish came from #LakeKarla in central Greece, a body of water drained in the early 1960s and restored in 2018 to combat the effects of drought.

“'There are millions of dead fish all the way from Lake Karla and 20 kilometers (12 miles) eastward,' Anna Maria Papadimitriou, the deputy regional governor of the central #Thessaly area, told state-run television.

"'Right now, there is a huge effort underway to clean up the millions of dead fish that have washed along the shorelines and riverbanks … an effort that involves multiple contractors,' she said.

"Water levels rose abruptly in fall 2023 during a #DeadlyStorm that caused extensive flooding in central Greece, but have since receded due to low rainfall and successive summer #heatwaves ."

#VolosGreece #ClimateChange #ClimateCatastrophe #ClimateCrisis #WeatherExtremes #Extinction #FishDieoff #DeadFish

#MaineCDC Issues Advisories on Eating #FreshwaterFish Due to #PFASContamination at the Former #NavalAirStation in #BrunswickMaine

Aug 23, 2024

AUGUSTA -- "The Maine Center for Disease Control and Prevention (Maine CDC) today issued new freshwater fish consumption advisories recommending either no consumption or limited consumption of fish from four waterbodies located on and around the former naval air station in Brunswick, Maine.

"The testing of fish is part of the United States Navy's ongoing remedial investigation at the former base in response to #environmental contamination from the historic use of PFAS-containing aqueous film forming foam (#AFFF) in fire-fighting operations. Data were collected in October 2023 by the Navy, in coordination with Maine's Department of Environmental Protection (DEP) and the U.S. Environmental Protection Agency, and shared with the Maine CDC in spring of 2024.

"The Maine CDC reviewed the data and determined they showed elevated levels of per- and polyfluoroalkyl substances, known as PFAS, above the agency's recommended levels for regular consumption.

"While testing occurred before the August 19, 2024 accidental release of AFFF at the former naval air station, that incident is not expected to impact the guidance issued today. The waters likely impacted by the AFFF spill are on the east side of the runway at the air station. Today's advisory recommends a no consumption advisory for those waters based on prior testing data.

"Elevated levels of the specific PFAS called perfluorooctane sulfonic acid (PFOS) were detected in fish tissue samples collected from #MereBrook (also known as Mare Brook), #MerriconeagStream, #PicnicPond, and #Site8Stream. The new fish consumption advisories listed below apply to all fish caught in these waterbodies.

"In response to the recent release of AFFF and the reported presence of visible #foam on some of these #waterbodies on the eastern side of the runway, the Maine CDC additionally recommends the public avoid any contact with foam on these water bodies. Out of an abundance of caution, the Maine CDC also recommends the public refrain from any recreational activities (e.g., #swimming, #boating, #wading) that could result in contact with the foam or waters until the potential impact of the AFFF release on these waterbodies is fully assessed.

"PFAS are a group of man-made chemicals found in a variety of consumer products throughout the world. Based on a report from the National Academies of Sciences, Engineering, and Medicine, exposure to certain PFAS chemicals has been associated with increases in cholesterol levels, decreases in birth weight, lower antibody response to some vaccines, and kidney cancer."

From the CDC website: Map of waterbodies included in the fish consumption advisory on and around the former Naval Air Station in Brunswick.

https://www.maine.gov/dhhs/news/maine-cdc-issues-advisories-eating-freshwater-fish-due-pfas-contamination-former-naval-air-station-fri-08232024-1200
#AndroscogginRiver #CascoBay #HarpswellCove #Wildlife #WaterIsLife #OceansAreLife #PFASPollution #PFOS #FirefightingFoam

A map of Brunswick Maine, showing light green and white for land, and blue for water. Marshy areas are indicated with blue leafy icons.

In the center of the map are two long lines, representing the airport runways (where the PFAS incident occured).

Crossing the runways is a brook named Mere Brook. Above the runways is a box indicating "Site 8 Stream" -- very close to the Androscoggin River.

To the right of the runways is a pond (Picnic Pond), and Merriconeag Stream. Picnic Pond empties into Merriconeag Stream, which flows to Harpswell Cove (not shown) and Casco Bay (not shown).

One of Earth’s biggest #FreshwaterFish is bouncing back, a rare win win https://www.nationalgeographic.com/animals/article/arapaima-brazil-amazon-conservation-fishing

Giant freshwater #fish are among the most endangered #animals on Earth. But in the lush waterways of the #Amazon, one leviathan is swimming against the current... #conservation efforts spearheaded by local communities have turned things around for the #arapaima, with populations increasing dramatically across the Amazon.

A nice summary of the articles in the Evolutionary Applications salmonid genomics special issue
https://onlinelibrary.wiley.com/doi/10.1111/eva.13732
#FishSci #salmonids #trout #FreshwaterFish #Biology #fish #TeamFish

We investigated the effect of a fishway on the genetic structure of brown trout populations, finding that the fishway *increased* genetic structuring, we think because it enabled fish to move to their preferred spawning sites.
#OA https://onlinelibrary.wiley.com/doi/pdfdirect/10.1111/eva.13660

#trout #FishSci #PopulationGenetics #salmonids #BACI #FishPass #FreshwaterFish

My first #mermaid for #mermay2024. A Rainbow Trout mermaid.
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#regnbåge #sjöjungfru #mermay #freshwaterfish

Quarter of world’s #FreshwaterFish at risk of #extinction, according to assessment

#GlobalHeating, #pollution, #overfishing and falling water levels among factors hitting populations, finds #IUCN red list study
https://www.theguardian.com/environment/2023/dec/11/quarter-of-worlds-freshwater-fish-at-risk-of-extinction-age-of-extinction-aoe
#Environment #Sustainability

I'm painting steadily towards a show in December. Work is proceeding well! These fish delighted me last night, which makes me think I've found my groove. A side effect of having a deadline and dictating a goodly amount of time to the practice.
It's not quite finished yet. The top and bottom sections need tootling.

#OilPainting #FreshwaterFish #PubSign

A portrait-orientated board, painted with a blue green background, and three brightly colored fish one above the other. A perch, a brown trout, and a roach. The top has a banner exclaiming "THREE FISHES". At the bottom are two blue stars awaiting embellishment.

Calibrating #cichlid #evolution

#phylogeny #biogeography #Gondwana #ContinentalDrift #vicariance / #MarineDispersal #FreshWaterFish #IslandHopping #MeltingPot #Tanganyika #Congo #Lamprologus

Schedel et al. 2019 https://bmcecolevol.biomedcentral.com/articles/10.1186/s12862-019-1417-0 #OpenAccess

Calibrating #cichlid #evolution #phylogeny #biogeography #Gondwana #ContinentalDrift #vicariance / #MarineDispersal #FreshWaterFish #IslandHopping #MeltingPot #Tanganyika #Congo #Lamprologus Schedel et al. 2019 bmcecolevol.biomedcentral.com/articles/10.... #OpenAccess

Dazzling metallic flashes radiated around me with each twist and turn of their slender bodies. I was completely immobilized and mesmerized by the splendor. #freshwaterfish #michigan #minnows
I Speak for the Fish: Mesmerized by minnows | Great Lakes Now

New NIOO publication: Creating new littoral zones in a shallow lake to forward-restore an aquatic food web. #freshwaterfish #macroinvertebrates #markerwadden #novelecosystem #shelter #zooplankton
https://doi.org/10.1016/j.scitotenv.2023.166768

Graphical abstract Van Leeuwen et al. (2023).

#freshwaterfish in the #greatlakes basin – #toxic to eat? probably similar downstream of #oilsands. @JustinTrudeau @s_guilbeault @melaniejoly @cafreeland @fordnation @ABDanielleSmith @RachelNotley @albertaNDP @Alberta_UCP @NDP @theJagmeetSingh

https://www.cleveland19.com/2023/03/11/environmental-group-warns-1-serving-freshwater-fish-can-be-like-drinking-months-worth-water-with-forever-chemicals/

Linking Fisheries Policy to Sustainable Diets: The Case of Lake Superior

Kristen Lowitt

#SmallScale #Fisheries #SmallScaleFishery #FoodPolicy #SmallFisheries #FreshwaterFishery #Sustainable #SustainableFood #FollowFriday #Fish #FreshwaterFish #Foodie #FoodWays

Canadian Food Studies is proud to be #OpenAccess!

Dig #FoodStudies? Dig in!

Please Boost!

https://canadianfoodstudies.uwaterloo.ca/index.php/cfs/article/view/449

.@MassDPH said "we found #PFAS in all the #fish that we have tested".
Now 13 @MassDCR #StateParks have #HealthAdvisories for eating #FreshwaterFish.
#SaveTheFish. Time to #ActOnPFAS now.
.@JulianCyr @Jo_Comerford @RepKateHogan @RepPaulSchmid @MarjorieDecker #MAPoli QT @WBUR: https://nitter.grimneko.de/WBUR/status/1633218098194153472#m

Freshwater fish caught in the US have been found to have an astounding amount of forever chemicals in them - often 400,000x the amount the EPA says is safe for consumption in drinking water. The problem is particularly bad for fish caught and consumed near marginalized communities. #freshwaterfish #PFOs #PFAs #foreverchemicals https://amp.cnn.com/cnn/2023/01/17/health/freshwater-fish-pfas-contamination-wellness/index.html

Screen shot of CNN web story, with headline that reads, “Locally caught fish are full of dangerous chemicals called PFAS, study finds”; and map showing locations around the country where the fish were tested.

Need I say anymore, this is criminal and the attack on nature is in full swing. Yet again rivers bear the brunt.
#rivers #freshwaterfish #environment #pollution

https://www.theguardian.com/environment/2022/dec/09/government-to-weaken-water-pollution-goals-river-health

#FreshwaterFish

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