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A fish swimming in the Great Lakes today may have been alive before many colonial settlements existed in the region.

A new scientific study suggests lake sturgeon may live far longer than previously believed. Using 44 years of tagging and recapture data from five Great Lakes populations, researchers estimated that male lake sturgeon may live 90 to 279 years, while females could potentially reach 99 to 427 years.

For many years, scientists estimated sturgeon age by counting growth rings in fin spines, similar to tree rings. Researchers now say that method becomes less reliable as lake sturgeon age because their growth slows and the rings become increasingly difficult to distinguish. By tracking individual fish over decades, the study offers a new way to understand how long these ancient fish may live.

The findings also align with knowledge long shared by some Indigenous communities, whose oral traditions have described lake sturgeon as exceptionally long-lived beings. In many Great Lakes cultures, sturgeon hold deep importance as part of foodways, seasonal knowledge, and relationships with waterways.

Lake sturgeon were once heavily harvested and treated as nuisance fish in the late 1800s, contributing to major population declines. According to Michigan DNR reporting, less than 1% of historic Great Lakes lake sturgeon numbers remain. Because they mature slowly and reproduce over many decades, recovery takes time across generations.

The study highlights the value of long-term monitoring and collaboration among Tribal Nations, fisheries researchers, universities, and conservation agencies. Protecting healthy rivers, spawning habitat, and connected waterways remains important for the future of this species.

Sources: WWMT, Great Lakes Commission, WXYZ 7 News

#sturgeon #fish

orlamccools

hes a smiley guy :) :) :)

#eee bunnies

spaceshipsandpurpledrank

#video

gigabitghoul

She ate through her first phone charging cord today.... a big day for the babby. exhausting....

#eee bunnies

mutant-distraction

Bongo (Tragelaphus eurycerus)! No, not the musical instrument: This animal is an African ungulate with a distinctive striped coat and large spiraling horns! The bongo is an herbivore that feeds on leaves, bushes, and shoots, but also on the bark of rotting trees. In fact, this species has even been observed eating burned wood after lightning storms: Scientists think this behavior helps the bongo supplement its diet with extra salt and minerals. Unfortunately, this animal faces population declines due to human activity including poaching and habitat loss.

Photo: cherokeejones, iStock

Text credit: American Museum of Natural History

#bongo

gastropoda-blog

Slug by dhelling01

blaster-miraculous

I bet you’ve never seen one of these things full grown

#slug #eee bunnies

herpsandbirds

Brown-headed Cowbird (Molothrus ater), male, family Icteridae, order Passeriformes, Brooklyn, NYC, NY, USA

photograph by Rhododendrites

#brown headed cowbird #bird

spindle-and-nima

These two tag teamed dragging their bamboo stick treat into their water then when I removed it and cleaned their dish, I returned to find them eagerly scrabbling over each other to suck on the soggy bamboo. Truly a bunch of yucky tots here.

#eee bunnies

herpsandbirds

Malayaplamius sp., family Tenebrionidae, Sabah, Borneo

photograph by Joshua Wong

#beetle #insect

oreothebabyprincessbun

went to a different petsmart one day and they had this lovely oxbow foraging box they don't carry at my normal one. she loves it!

#eee bunnies #video

mutant-distraction

📷 Solly Levi Photography

Okavango Delta

#african wild dog #canid

minotaurapologist

Shapes!

adorablegorilla

They look like they were made in Unreal Engine

nyxandshion

I know that the one on the right at least is a rabbit! The thing on the left is some sort of creechur, probably. Perhaps a beaft.

#eee bunnies

herpsandbirds

Terrestrial Flatworm (Caenoplana tenuis), family Geoplanidae, New Zealand

photographs by Uwe Schneehagen

#flatworm

rabblets

Theres 0 thoughts in that head I dont think theres even a brain his last brain cell took a hike

#eee bunnies

expressions-of-nature

Iguazu Falls, Brazil by Jaime Dantas

awlwren

[id: photographs of a set of huge waterfalls from different angles, showing the amazing width and height of both tiers, and the calmer water between them.]/end id.

#water