Picture source: http://en.wikipedia.org/wiki/File:Paradise_fish_female_and_male_02.jpg [public domain]
Macropodus opercularis – Paradise gourami fish pair. Note color difference between the male and female (pale).
Scientific classification of paradise gourami
Kingdom: Animalia – Animals
Phylum: Chordata – chordates
Class: Actinopterygii – ray-finned fish
Order: Perciformes – perch-like fish
Suborder: Anabantoidei – labyrinthfishes
Family: Osphronemidae
Genus: Macropodus – paradise species
Species Macropodus opercularis – paradise gourami