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
|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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