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Dwarf gouramis sold in fish stores may also be solid colors (e.g., powder blue dwarf gourami or red flame variety) which are nothing but captive bred color morphs of the same species. Similar to the archerfish, the dwarf gourami can project a stream of water from its mouth to hunt prey above the surface, to a maximum distance of ~5 cm. [5]
Gouramis can live for 1–5 years. The earliest fossil gourami is Ombilinichthys from the early-mid Eocene Sangkarewang Formation of Sumatra, Indonesia. A second fossil taxon from the same formation, known from several specimens and tentatively assigned to Osphronemus goramy when analyzed in the 1930s, is now lost. [2]
Trichopodus (formerly included in Trichogaster [3] [4]) is a genus of tropical freshwater labyrinth fish of the gourami family found in Southeast Asia.Gouramis of the genus Trichopodus are closely related to those of Trichogaster (formerly Colisa); species of both genera have long, thread-like pelvic fins (known as "feelers" in the aquarium trade) used to sense the environment.
Trichogaster fasciata, the banded gourami or striped gourami or Colisa or Kholshe, is a tropical labyrinth perch found in some Asian countries like Bangladesh, Eastern India, Northeastern India, Nepal, Upper Myanmar, China and Pakistan.
This species can reach a standard length of 6.7 cm (2 + 5 ⁄ 8 in), though most are only about 5.5 cm (2 + 3 ⁄ 16 in). [2] Paradise gouramis were one of the first ornamental fish available to western aquarium keepers, [ 3 ] [ 4 ] having been imported 1869 to France by the French aquarium fish importer Pierre Carbonnier in Paris .
Pygmy gouramis can reach a length of 4 centimetres (1.6 in) SL. [2] In color, they sparkle with red, green, and blue hues, and can produce an audible croaking noise using a specialised pectoral mechanism. In the right light, its eyes appear bright blue, and its arrowhead-shaped body and caudal fins reflect a rainbow of colors as it swims.
Trichogaster is a genus of gouramis native to South Asia from Pakistan to Myanmar. [4] It is the only genus in the monotypic subfamily Trichogastrinae as set out in the 5th Edition of Fishes of the World, although that book states that there are two genera, the other being Colisa [5] which is treated as a synonym of Trichogaster by Fishbase and the Catalog of Fishes.
The honey gourami is generally considered to be a non-aggressive community fish, ideal for small aquaria (10 gallons and up). However like other gouramis, male honey gouramis can be aggressive towards each other. For this reason they are best kept apart, unless the tank is large enough for the males to establish territories.