Giant gourami
From Conservapedia
The giant gourami (Osphronemus goramy) is a species of freshwater tropical fish found in Asia and Australia. The giant gourami is a popular fish for home aquariums due to its friendly disposition. Their color ranges from reddish brown to dull orange; adult fish become more brown in color.
Size
They can reach up to a size of 70 - 75cm however most stay at around 45cm.