What sort of fish is the big one in this picture? I saw it in an aquarium so I don't really know anything about its habitat.
1 Answer
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Its a Giant Gourami, Osphronemus goramy.
The giant gourami (Osphronemus goramy) is a freshwater species believed to be native to Southeast Asia, and has been introduced to other parts of the world.
This species is commercially important as a food fish and an aquarium fish.
(Source: tropical-fish-keeping)
Reference: fishbase
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1$\begingroup$ Several smaller gouramis' are common in the aquarium trade ; this one maybe only as a special order. Interestingly one of the small ones is also called "giant" (about 4 in. long). $\endgroup$ Commented Aug 17, 2017 at 20:23