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Description
Pirarucu Arapaima Gigas 15cmPirarucu Arapaima Gigas 15cm The Pirarucu, also known as the Arapaima gigas, is one of the largest freshwater fishes in the world, capable of reaching lengths of up to 10 feet and weights over 400 pounds. This majestic giant is not only known for its impressive size but also its striking appearance, featuring shimmering scales with a reddish brown hue. The Pirarucu is a fascinating species for experienced aquarium hobbyists who have the capability to
Pirarucu Arapaima Gigas 15cmThe Pirarucu, also known as the Arapaima gigas, is one of the largest freshwater fishes in the world, capable of reaching lengths of up to 10 feet and weights over 400 pounds. This majestic giant is not only known for its impressive size but also its striking appearance, featuring shimmering scales with a reddish-brown hue. The Pirarucu is a fascinating species for experienced aquarium hobbyists who have the capability to provide the substantial space and care it requires.
Origin
Native to the Amazon Basin in South America, the Pirarucu thrives in river systems, floodplains, and lakes. It is a crucial part of its ecosystem, playing a significant role in the balance of aquatic life.
Feeding
As an apex predator, the Pirarucu has a voracious appetite, primarily feeding on fish, crustaceans, and occasionally small mammals or birds that fall into the water. In captivity, their diet should be carefully managed with high-quality, large-sized pellets, live or frozen fish, and occasional meaty foods to ensure their nutritional needs are met.
Tank Mates
Given the Pirarucu's immense size and predatory nature, finding suitable tank mates is challenging. Only large, robust species that can hold their own and will not be seen as prey should be considered. Compatibility should be assessed on a case-by-case basis, keeping the safety and well-being of all inhabitants in mind.
Aggression
The Pirarucu is generally not aggressive towards species that it does not consider prey. However, due to its size and feeding habits, smaller fish and animals will likely be eaten if they share the same space.
Experience Level
Caring for a Pirarucu requires an advanced level of experience in fishkeeping, primarily due to their significant size, dietary needs, and the complexity of replicating their natural habitat in captivity. They are best suited for public aquariums or experienced hobbyists with the resources to accommodate such a large and demanding species.
Water Parameters
- Temperature: 75°F - 86°F (24°C - 30°C)
- pH: 6.0 - 7.5
- Hardness: Soft to moderately hard water
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4.3 ★★★★★
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Product Reviews
★★★★★ 5
Bling for your face.
I got these to use for Halloween. They were a big hit and oh so very pretty. We all love them and there’s so many to choose from.
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Reviewed in the United States on November 11, 2025
★★★★★ 5
Looks fun
Pattern Name: Graceful(12 Sets)
Will use these for Mardi Gras. Colors are great.
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Reviewed in the United States on February 13, 2026
★★★★★ 5
Bouncy, not hard, and good value.
Style: Fetch Balls (Pack of 10), Size: 2.5 inch
Great balls for the ball launcher and not rockhard like some of the solid rubber balls. These have great bounce, and because of the two holes, they make a fun whistling noise as they fly through the air. My dogs love them and they are a good value.
By the way, if you throw them too hard, they will go through chain-link and no climb fence because they squish a bit!
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Reviewed in the United States on February 16, 2026
★★★★★ 5
Excellent dog balls — safe design and very durable
Style: Fetch Balls (Pack of 3), Size: 2.5 inch
These fetch balls from Amazon Basics are fantastic, and my dog absolutely loves them. One of the biggest reasons I prefer these over other brands is the hole that runs through the center of the ball. This is a very important safety feature: if a dog were to accidentally get the ball stuck in the back of the throat, the hole allows air to pass through. That small detail could literally make a life-saving difference.
Aside from the safety benefit, they bounce well, are easy to clean, and hold up to a lot of playtime. They’re firm but not rock-hard, and my dog goes crazy for them. Great value, great quality, and a thoughtful design.
Highly recommended for dog owners who want a safer alternative to standard solid rubber balls.
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Reviewed in the United States on December 1, 2025
★★★★★ 5
Great ball for heavy chewers
Style: Assorted Balls (Pack of 3), Size: 2.5 inch
Great toy for my Doberman. She chews through tennis balls in about 15 minutes but these are very durable. She likes to chase them but also just chew on them.
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Reviewed in the United States on April 26, 2026