One of freshwater fish names starting with O that's I like in this list is Oscar fish, this fish is a kind of carnivorous fish and the most expensive oscar fish is a slayer oscar fish.
Another popular freshwater fish names that start with O letter is orange finned loach fish, this fish have orange tail and silver body.
You might also want to see another freshwater fish :
List Of Freshwater Fish Beginning With O Letter |
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| Fish Names | Scientific Name | Fish Pictures |
| Ocellate River Stingray Fish | Potomotrygon Motoro |  |
| Orange Finned Loach Fish | Botia Modesta |  |
| Oscar Fish | Astronotus Ocellatus |  |
| Otocinclus Fish | Otocinclus Vestitus |  |
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