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Description
Platinum Japanese Koi Carp Cyprinus CarpioPlatinum Japanese Koi Carp Cyprinus Carpio The word Ogon (OH gahn) translates as golden and was historically used to refer to any metallic fish. However, nowadays, more and more koi keepers and breeders use the word Ogon to refer to only single coloured metallic koi. When most koi keepers hear Ogon they tend to think of the Big Three Ogon koi which are the Yamabuki, Orenji and Platinum Ogons but many other Ogon koi varieties including the Mizuho and
Platinum Japanese Koi Carp Cyprinus CarpioThe word Ogon (OH-gahn) translates as ‘golden’ and was historically used to refer to any metallic fish. However, nowadays, more and more koi keepers and breeders use the word ‘Ogon’ to refer to only single-coloured metallic koi. When most koi keepers hear ‘Ogon’ they tend to think of the Big Three Ogon koi which are the Yamabuki, Orenji and Platinum Ogons but many other Ogon koi varieties including the Mizuho and the Mukashi Ogons are becoming more and more popular.
The Platinum Ogon, known in Japan as the Purachina Ogon (POO-rah-CHEE-nah OH-gahn), first appeared in koi shows in 1963 but the breeding process began in the late 1940’s. All of the Ogon varieties were first bred by Sawata Aoki and his family who, over the next few decades, would go on to run one of Japan’s biggest and most well-known koi farms, Aokiya. For many centuries, Japanese people have considered gold and silver to be incredibly important and, in fact, considered them to be two of the national treasures of Japan. Aoki wanted to produce these colours in koi fish as he knew that they would be incredibly popular.
The Platinum Ogon koi was originally bred when Aoki bred a Kigoi (a light yellow, single-coloured koi) with a Nezu Ogon (a dark grey, metallic, single-coloured koi). This pairing led to the offspring having the metallic sheen from the Nezu Ogon as well as a lighter, sliver colouration from the dark grey of the Nezu Ogon combined with the light yellow of the Kigoi. That is, the fry looked like slightly darker versions of the Platinum Ogon koi we have today. Within about 15 years and a number of generations of this new variety, Aoki was able to gradually lighten the skin colour from the grey colour of the first generation to a lovely, clean silver. At this point, in 1963, Aoki first began to show his new variety to great success! People loved his new variety and over the next few decades, Aoki continued to develop the variety by lightening each new generation into the lovely snow-white Platinum Ogon koi we know today.
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4.6 ★★★★★
Based on 15 reviews
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Product Reviews
★★★★★ 1
Cracked Tooth
Update: While I originally loved this product and so did my dogs, I feel the need to update this review. The Dura Chew Nylabones are incredibly hard, which is what makes them last so long. However, one of our dogs did crack a tooth recently from chewing on a Dura Chew. Since then, we have been very hesitant to allow any of our dogs to chew on these as other reviews also state that dogs have cracked teeth. We have since thrown out all of the Dura Chews that we had. We are still using the regular Nylabone products (when they aren't made in China), but once those are gone we will not buy any additional products from Nylabone. We have been buying Whimzees for our dogs for the last two years or so and they are a healthy edible alternative. They do not last as long because they are edible, but I have the peace of mind in knowing that my dogs are safe with them. Another healthy alternative would be antlers, which we also give to our dogs and they usually last a long time.
Original review: Another great Nylabone product. I love that dogs can chew on Nylabone products and they can't pull off pieces like products from other brands (Hartz for example). The Dura Chews are especially great for our hard chewers and they last forever! I love all of the dimples on their chews too, they're great for keeping our dogs' teeth clean. The vet is always impressed when they check their teeth.
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Reviewed in the United States on March 21, 2015
★★★★★ 5
Excellent for heavy chewers!
Flavor Name: Beef, Size: Mini
My dog is between 1-2 years old, and is a heavy chewer. So far the Better Bone is lasting very well! He still is chewing away at it! Excellent quality, and I appreciate that there’s no plastic that my dog is consuming.
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Reviewed in the United States on May 3, 2026
★★★★★ 5
By far ... the SAFEST and most DURABLE bone for dogs that are hardy chewers!
Flavor Name: Beef, Size: Large
After searching high and low for a NON-TOXIC, DURABLE and truly SAFE dog bone, I finally found the large, beef-flavored, HARD version of the BetterBone for my year-plus-old rescue (Carolina Dog).
1 - it's made of all NATURAL food-grade materials (cellulose from plant cell walls) ... which means no nylon, no GMOs, and no other artificials materials so it doesn't event stain your flooring. My girl loves the tasty beef flavor.
2 - the wishbone DESIGN is genius because it gives her 3 ends to choose from (nubs v raised edges v smooth) and ample ways to stabilize it on the floor with her paws.
3 - it is uber DURABLE in standing up to the hardiest of chewers (my girl gnaws on hers daily and sometimes even multiple 10-minute sessions per day). It works great to clean and reduce tartar on her teeth. The biggest surprise was that it took 6 months for her to gnaw it down to a size that was no longer safe for her (i.e. a potential choking hazard), so I donated it to a lady with tiny dogs at the dog park. At $20 per large bone, it's a good value.
4 - and most importantly, ... it is super SAFE. It degrades in tiny little pieces that could not possibly cause a choking hazard, and being all natural (i.e. no nylon - which most bones do have), there is no worry if she does ingest some of the particles. They vacuum up with ease.
The large bone weighs in at just over 12 ounces so it's kinda' heavy (9.25" long x 5" wide x 2" thick), but my 56 lb girl has no problem picking it up in her mouth before she hops up on the couch with me or into her bed.
Thank you BetterBone for making a superior product that is healthy, safe and fun for my pup!
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Reviewed in the United States on July 15, 2025
★★★★★ 5
Great chew
Flavor Name: Beef, Size: Large
Excellent! My super chewer loves it!
He chews it everyday and it holds up!
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Reviewed in the United States on May 1, 2026
★★★★★ 4
Decent durability
Flavor Name: Beef, Size: Small
My super chewer pit bull mix loved these! They lasted several weeks.
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Reviewed in the United States on April 16, 2026