A thick-shelled breed of Ogyo whose shrimp-like body is resistant to fire and lava. Its only real weakness is are its webbed pectoral fins. Its Dragon-like head has three crests on it, and its sharp teeth and bad temper make it most peoples' least favorite breed of Ogyo.
Etymology
Data
| Game | Description | Image |
|---|---|---|
| Monster Rancher 4 | "Covered in hard scales, the Gyoruna can even swim through magma unscathed. Because it has such a ferocious temperament, it's pretty hard to break it in." | |
| Monster Farm DS | 
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| Monster Rancher DS | "The Gyoruna is covered with tough scales, and can even swim in lava without a problem. It has a vicious character though, making it tough for breeders to handle." | |
| My Monster Rancher | "This fish-like creature is covered in vermilion scales. It is sometimes mistaken for a giant shrimp." | 
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Obtaining
- To obtain a Gyoruna in Monster Rancher 4, use
- To obtain a Gyoruna in Monster Farm DS, use
- To obtain a Gyoruna in Monster Rancher DS, combine an Ogyo (main) and a Dragon (sub).
- To obtain a Gyoruna in My Monster Rancher, use