http://www.fishpondinfo.com/parad.htm#quick
Found info on bottom from link on top
Common name: Paradise Fish, Paradise Gourami
Scientific/Latin name: Macropodus opercularis
Maximum length: 2 to 4 inches
Colors: Red, blue, white, black, and more
Temperature preference: 60 to 70 degrees F, can survive 50 to 90 degrees F
pH preference: 7
Hardness preference: Moderate
Salinity preference: Low to 1 Tablespoon per 10 to 30 gallons
Compatibility: Varies; two males probably will not get along; may harass other fish
Life span: Unknown, maybe 3 to 8 years
Ease of keeping: Easy
Ease of breeding: Moderate