Oolong Fish
Oolong fish is a freshwater fish, and it has three basic characteristics: Arowanas already existed in the ancient Carboniferous period 1.5 million years ago. Later, due to the movement of the earth's crust, arowanas were gradually distributed to all parts of the world.
Oolong fish belongs to the order Osteoglossiformes, family Osteoglossidae, and is a freshwater fish native to tropical areas in South America. Its name is Osteoglossum bicirrosum. No longer than 60 centimeters (2 feet) long, it is an excellent fishing species with delicious meat. The scales are large; the dorsal fin and anal fin are long and streamlined, almost running through the tail fin; the blade rises above the eyes, and the two long tentacles spread forward. The female holds the eggs in her mouth until the young hatch.
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