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Description
Freshwater Porcupine River Stingray Potamotrygon Hystrix 20cmFreshwater Porcupine River Stingray Potamotrygon Hystrix 20cm Overview: The Freshwater Porcupine River Stingray, scientifically known as Potamotrygon hystrix, is a captivating and unique species that thrives in freshwater environments. Renowned for its distinctive appearance, which includes a speckled pattern across its disc shaped body and a venomous spine for defense, this stingray is a prized specimen for advanced aquarium enthusiasts seeking a
Freshwater Porcupine River Stingray Potamotrygon Hystrix 20cmOverview: The Freshwater Porcupine River Stingray, scientifically known as Potamotrygon hystrix, is a captivating and unique species that thrives in freshwater environments. Renowned for its distinctive appearance, which includes a speckled pattern across its disc-shaped body and a venomous spine for defense, this stingray is a prized specimen for advanced aquarium enthusiasts seeking a touch of exotic beauty in their aquatic setups.
Origin: Native to the tranquil rivers and floodplains of South America, particularly in countries like Brazil, Argentina, and Paraguay, the Porcupine River Stingray has adapted to a range of freshwater habitats. These environments range from clear waters with sandy bottoms to murky, vegetated areas, showcasing the species' versatility and resilience.
Feeding: In captivity, the Porcupine River Stingray requires a diet rich in variety and nutrition. Preferred foods include meaty offerings such as shrimp, squid, and earthworms, alongside specially formulated pellets for freshwater stingrays. Regular feeding and a balanced diet are crucial for their health and well-being.
Tank Mates: When considering tank mates for the Porcupine River Stingray, it's essential to choose peaceful, bottom-dwelling fish that will not compete for space or food. Species such as larger tetras, peaceful cichlids, and catfish can coexist with the stingray, provided the tank is spacious enough to accommodate everyone comfortably.
Aggression: Generally peaceful towards other fish, the Porcupine River Stingray reserves its venomous spine for self-defense rather than aggression. However, tank mates should be chosen with care to avoid any potential conflicts or stress to the stingray.
Experience Level: Caring for a Freshwater Porcupine River Stingray is best suited for experienced aquarium hobbyists. This is due to their specific care requirements, sensitivity to water quality, and need for a large, meticulously maintained tank.
Water Parameters: Optimal water conditions are critical for the health of the Porcupine River Stingray. The tank water should be soft to moderately hard, with a pH level ranging from 6.0 to 7.5. Temperature should be kept between 75°F to 82°F (24°C to 28°C). Regular water changes and monitoring of water parameters are essential to mimic their natural habitat and ensure their well-being.
In summary, the Freshwater Porcupine River Stingray is a magnificent and intriguing addition to any large, well-maintained aquarium. With proper care, diet, and environment, this exotic species can thrive and become a centerpiece in the aquatic hobbyist's collection.
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4.1 ★★★★★
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Product Reviews
★★★★★ 4
These are very thick pillows.
Item Package Quantity: 2, Size: Queen
Exactly as advertised. They are very firm and very thick. They're too thick for me to be able to use as bed pillows. However, they seem to work pretty well as cushions in my papasan chair on top of its normal cushion also work very well as decorative pillows.
I'm still giving them four stars because they're exactly as advertised and they seem well made. My only complaint is that they're just too thick. And that's definitely not the fault of the pillows or the pillow maker.
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Reviewed in the United States on May 12, 2026
★★★★★ 5
how good the product is
Item Package Quantity: 4, Size: Standard
These pillows are soft, fluffy, and surprisingly supportive for the price. They’re comfortable no matter how you sleep — whether on your side, back, or stomach — and they maintain their shape well overnight without going flat. The fabric cover feels smooth and breathable, keeping things cool through the night.
After a few days of fluffing and use, they settle nicely into a perfect medium firmness. They also wash and dry easily without clumping.
Overall, a great‑value pillow set that offers comfort, versatility, and quality — ideal if you need an affordable yet cozy bedding refresh.
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Reviewed in the United States on April 10, 2026
★★★★★ 5
Great Quality for a Great Proce!
Item Package Quantity: 2, Size: King
These pillows are very comfortable and maintain their shape. Quality is as described at a comfortable price for the quality! The pillows are comfortable; not overly firm nor flat. The density is medium and supportive; very comfortable!
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Reviewed in the United States on April 24, 2026
★★★★★ 5
Firm and comfortable
Item Package Quantity: 2, Size: Standard
These pillows are well made. Firm, yet comfortable. I am pretty rough with my pillows. I toss and turn frequently. After one year, they are still holding up.
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Reviewed in the United States on May 17, 2026
★★★★★ 4
Quite good. I am actually surprised. Too small for queensize
Item Package Quantity: 2, Size: Queen
These pillows are actually good. After reading a ton of reviews I pulled the trigger on these. I was 100% sure I was going to receive bad quality pillows (too flat or too thick). They do take 24-48 hours to firmen up. Let's see if they flatten out in a few weeks or if they hold up. My wife said the pillow was too thick and it raised her head too much. I don't agree, I sleep perfect on these, no neck pain in the morning.
Update 04/24
These are actually quite small to be considered queen pillows. They have become firm over the last few days.
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Reviewed in the United States on April 20, 2026