Study finds microplastics in tadpoles in the Amazon for the first time
Posted by wanton_wonton_@reddit | collapse | View on Reddit | 24 comments
Posted by wanton_wonton_@reddit | collapse | View on Reddit | 24 comments
castrated_otter6769@reddit
Plastic is in the rain and the air. How can we be surprised. Think of any place on earth. It will have plastic.
Fn_Spaghetti_Monster@reddit
They've found microplastics in arctic ice, finding them in the Amazon is not really a surprise (sadly).
Frank_Scouter@reddit
Not just arctic ice, but decades old arctic ice.
theCaitiff@reddit
If I can offer a small glimmer of hope on that front?
We just realized that a lot of the data we have on microplastics is flawed. The clean rooms where they were conducting the research ceased to be clean the moment they opened a box of gloves.
Now, that doesn't mean that microplastics aren't real or a problem, but the decades old ice samples (and our balls) are probably not as heavily contaminated as we feared.
We're back to "we don't know how widespread this problem is" instead of "holy shit every sample we've ever checked was chocked full of the stuff!" So we can probably scale the panic back down to "urgent action is required now" instead of "we're already dead, our bodies just don't know it yet."
Frank_Scouter@reddit
I doubt those cases of contamination are as widespread as we would hope. The ice cores specifically identified tire dust as being a major contributor of nanoplastics, in 60 years old ice.
It doesn’t really make any sense that we would see a reasonable spread between various types of plastics, if the samples were heavily contaminated by a single source.
BellaRyder2505@reddit
Poor tadpoles. Humans are truly a plague and virus to the earth.
No-Ad-4142@reddit
And despite all our “evolution”, we just find more/new ways to f*** up the planet every day..
summercookiess@reddit
The "fucking up the planet" might be a side effect of the "evolution"
stephenclarkg@reddit
Our biggest flaw is our 90% failure rate to stop bad behavior
Crishello@reddit
We have fucked up big time, havn't we? Accidently spoiled the whole planet?
Will it still be there when we are gone? Will future aliens find an earth without us but with microplastics allover?
Jovan_Knight005@reddit
We have and there's nothing that we can do about it except taking care of the environment that we live in with our families, for example.
Crishello@reddit
Its too late for the microplastics but for the rest,- it doesn't help If you concentrate on your personal environment. A revolution has to happen
RedisaPsyop5647@reddit
The Earth is fine until the sun goes supernova. The people are fucked though. Another lifeform will take our place, just like we did to the ones before us.
One-Intention7064@reddit
i dread posts discussing microplastic in different places, because they immediately summon comments like, "There's even microplastic in our balls and ovaries!!!"
one can't mention anything at all without triggering narcissistic balls mourning. and then the entire conversation revolves around their hominid balls.
CheerleaderOnDrugs@reddit
I knew we were absolutely cooked when people starting buying massive amounts of bottled water, that companies had started selling (often) tap water back to people in single use plastic bottles.
Arguing was futile, easy plastic recycling was almost instantly proven to be a lie.
CorvidCorbeau@reddit
We'll get a lot more news like this. Pollutants small enough to be carried by the wind and rain are everywhere on Earth, even in the deepest nature preserves. Nature doesn't have borders, if you contaminate 1 location, it can spread to others.
StillCorgi1516@reddit
How the hell did it get there?
Palegreenhorizon@reddit
All our clothes and sheets and fuzzy stuffed animals that aren’t 100% cotton or wool or silk are made
Of tiny plastic fibers ( think of a fleece jacket). The pieces are so small they get swept into the air. All our food comes wrapped in plastic, all our shoes are mostly plastic. Most electronics and cars etc.
Bandits101@reddit
Atmosphere and washes out with rain. It’s everywhere on earth, including the poles, highest mountains and deep oceans. It’s in what we eat and breathe.
space_manatee@reddit
Humans been fucking up shit for a long time.
StillCorgi1516@reddit
Damn.
castrated_otter6769@reddit
Sewage or fishing activities. Read the article.
StatementBot@reddit
The following submission statement was provided by /u/wanton_wonton_:
Microplastic contamination in tadpoles (Anura) in the Brazilian Amazon
For the first time, scientists have documented microplastics in frog tadpoles living in the wild Amazon rainforest — and the contamination showed up in every single pond and every single tadpole they tested.
Researchers from the Federal University of Pará, led by ecologist Fabrielle Barbosa de Araújo, collected 20 water samples and 100 tadpoles from five temporary rainwater ponds at Gunma Ecological Park in Pará state, Brazil, in April 2025.
The tadpoles were all Venezuela snouted treefrogs (Scinax x-signatus), a species common across South America in both forested and urban areas. Every pond and every tadpole sampled contained microplastics — most of them transparent, blue or black fibers made from materials like polyester.
A 2020 study in Environmental Pollution found plastic waste in 98 percent of fish examined from an Amazonian stream, with debris in 87 percent of digestive tracts. A 2025 scoping review of 52 peer-reviewed studies published in Ambio confirmed microplastics in sediments, plants and diverse fauna including birds, reptiles and mammals.
The five ponds in the study aren’t permanent water features — they form when rainwater collects in ground depressions. But these temporary pools serve as critical breeding and development sites for multiple frog species across the Amazon.
That makes them an essential habitat to monitor for microplastics in animals, because what accumulates in the water gets passed directly into developing amphibians at their most vulnerable stage. Tadpoles feed on algae, fungi and eggs in the water, almost certainly consuming microplastic fibers alongside their food.
According to Araújo, microplastic contamination can damage amphibian health by causing genetic and structural harm, including changes to blood cells and DNA. The particles can also build up in tissues and alter normal body functions.
Please reply to OP's comment here: https://old.reddit.com/r/collapse/comments/1tdiy5c/study_finds_microplastics_in_tadpoles_in_the/olvmd29/
wanton_wonton_@reddit (OP)
Microplastic contamination in tadpoles (Anura) in the Brazilian Amazon
For the first time, scientists have documented microplastics in frog tadpoles living in the wild Amazon rainforest — and the contamination showed up in every single pond and every single tadpole they tested.
The finding, published April 11, in Scientific Reports, raises urgent questions about how deeply plastic pollution has penetrated even remote, sparsely populated corners of one of the planet’s most biodiverse regions.
What surprised researchers wasn’t that they found microplastics. It was how much they found in a place considered relatively well preserved.
A 2020 study in Environmental Pollution found plastic waste in 98 percent of fish examined from an Amazonian stream, with debris in 87 percent of digestive tracts. A 2025 scoping review of 52 peer-reviewed studies published in Ambio confirmed microplastics in sediments, plants and diverse fauna including birds, reptiles and mammals.
The five ponds in the study aren’t permanent water features — they form when rainwater collects in ground depressions. But these temporary pools serve as critical breeding and development sites for multiple frog species across the Amazon.
That makes them an essential habitat to monitor for microplastics in animals, because what accumulates in the water gets passed directly into developing amphibians at their most vulnerable stage. Tadpoles feed on algae, fungi and eggs in the water, almost certainly consuming microplastic fibers alongside their food.
According to Araújo, microplastic contamination can damage amphibian health by causing genetic and structural harm, including changes to blood cells and DNA. The particles can also build up in tissues and alter normal body functions.