Gouramis, or gouramies, are a group of freshwater anabantiform fish that comprise the family Osphronemidae. The fish are native to Asia—from the Indian Subcontinent to Southeast Asia and northeasterly towards Korea. The name "gourami", of Indonesian origin, is also used for fish of the families Helostomatidae and Anabantidae.
The Siamese fighting fish, commonly known as the betta, is a freshwater fish native to Southeast Asia, namely Cambodia, Laos, Myanmar, Malaysia, Indonesia, Thailand, and Vietnam. It is one of 73 species of the genus Betta, but the only one eponymously called "betta", owing to its global popularity as a pet; Betta splendens are among the most popular aquarium fish in the world, due to their diverse and colorful morphology and relatively low maintenance.
The spotfin betta or Brunei beauty is a species of labyrinth fish endemic to the island of Borneo. It generally inhabits pools of very slow-moving water along rivers and streams in very shallow waters of 30 cm (12 in) or less. This species grows to a length of 6.7 cm (2.6 in) in the wild, and is occasionally found in the aquarium trade; in captivity this species regularly reaches 4 inches in length.
Betta smaragdina, commonly known as the emerald green betta, blue betta or Mekong fighting fish is a species of gourami native to Southeast Asia. The species gets its green and blue colors due to refraction and interference of light that results from hexagonal crystals that are less than 0.5 micrometres. It is found in the aquarium trade.
The peaceful betta or crescent betta is a species of gourami native to Southeast Asia.
Betta is a large genus of small, active, often colorful, freshwater ray-finned fishes, in the gourami family (Osphronemidae). The best known Betta species is B. splendens, commonly known as the Siamese fighting fish and often kept as an aquarium pet.
Betta edithae is a species of gourami endemic to Indonesia where it occurs in Kalimantan, Sumatra and the Riau Archipelago. This species grows to a length of 8.2 cm (3.2 in), and can be found in the aquarium trade. The specific name honours the German aquarist Edith Korthaus (1923-1987), who co-discovered this species with her husband Walter Foersch. Walter is honoured in the specific name of another species they discovered, Betta foerschi.
Betta mahachaiensis is a species of bubble-nesting betta native to Thailand, where it occurs naturally near the Gulf of Thailand. It is typically seen in stagnant waters in swamps, pools, and ponds. The species can be found in brackish waters, with salinity levels between 1.1 and 10.6 parts per thousand. Betta mahachaiensis is capable of living in both fresh water and brackish water, a trait unique among fish in the genus Betta. This species grows to a length of 5 to 6 cm. It is found in the aquarium trade.
Betta compuncta is a species of ray-finned fish in the family Osphronemidae. It reaches 6.2 cm in standard length.
Betta midas is a species of gourami in the genus Betta. It is native to Asia, specifically the island of Borneo, where it occurs in the Kapuas River basin in West Kalimantan in Indonesia, as well as western Sarawak in Malaysia. It is typically found in acidic blackwater rivers in remnant and intact peat swamp forests. The species reaches 6.6 cm in standard length and is known to be a facultative air-breather.
Betta pardalotos is a species of fish in the family Osphronemidae. It is native to Asia, where it occurs in the Musi River basin on the island of Sumatra in Indonesia. The species reaches 7.2 cm in standard length and is known to be a facultative air-breather. It feeds on insects and other small invertebrates such as zooplankton.
Betta hendra is a species of gourami. It is native to Asia, where it occurs in the Sabangau River basin in Central Kalimantan on the island of Borneo in Indonesia. It is typically found among plants in peat swamp forests shaded by trees and bushes with a depth of 5 to 50 cm and no water current. Based on aquarium observations, the species forms bubble nests. The species reaches 4.2 cm in standard length and is known to be a facultative air-breather.
Betta fusca, commonly known as the dusky betta, is a species of gourami. It is a freshwater fish native to Asia, where it occurs on the island of Sumatra in Indonesia. The species reaches 8.2 cm in total length and is known to be a mouthbrooder and a facultative air-breather.
Betta kuehnei is a species of gourami. It is native to Asia, where it occurs in Malaysia and Thailand. It is typically found in shallow, shaded forest creeks among aquatic plants such as Cryptocoryne cordata and leaf litter. The water in which the species occurs is clear, with a pH of 7, a hardness of 3 dGH, and a temperature of 25 °C. It is known to occur alongside the species Parosphromenus paludicola and Trichopsis vittata. The species reaches 8 cm in total length and is known to be a facultative air-breather. Males of the species exhibit mouthbrooding.
Betta lehi is a species of gourami. It is native to Asia, where it occurs in the area southwest of Kuching in Sarawak in Malaysia, as well as the lower Kapuas River basin in West Kalimantan in Indonesia. It is typically found among vegetation in quiet streams in peat swamp forests and other acidic wetland environments. The species reaches 6.1 cm in standard length and is known to be a facultative air-breather.
Betta prima is a species of gourami. It is native to Asia, where it occurs in southeastern Thailand, and Laos. It is typically found among plants in marshes and slow-flowing streams. The water that the species occurs in is typically clear, with a pH of 6.6, a conductivity of 180 µS/cm, and a temperature of 25.8 °C. The species reaches 5 cm in standard length and is known to be a facultative air-breather.
Betta stigmosa is a species of gourami. It is a freshwater fish native to Asia, where it occurs only in the state of Terengganu in Malaysia. It is typically found in hillstreams. The species reaches 4.1 cm in standard length and is known to be a facultative air-breather.
Betta siamorientalis is a species of gourami. It is a freshwater fish native to Asia, where it occurs in shallow marshes, grass fields, and paddy fields in Thailand and Cambodia. It is typically found in still, vegetated environments at the water's edge and is known to use aquatic plants as shelter for building and guarding bubble nests. It is known to occur alongside the species Anabas testudineus, Lepidocephalichthys hasselti, Macrognathus siamensis, Monopterus albus, Pangio anguillaris, Trichopodus trichopterus, Trichopsis pumila, Trichopsis schalleri, and Trichopsis vittata. The species reaches 3.6 cm in standard length and is known to be a facultative air-breather.
Betta ocellata, sometimes known as the eyespot mouthbrooder, is a species of gourami. It is native to Asia, where it occurs in northeastern Borneo, specifically Sabah and East Kalimantan, in the countries of Malaysia and Indonesia respectively. It is typically found in slow-flowing areas such as ravines and isolated pools in the vicinity of floating leaves and submerged leaf litter. Individuals of the species are excellent jumpers, feeding primarily on terrestrial insects, although aquatic invertebrates are also consumed. The species reaches 8 cm in standard length and is known to be a facultative air-breather.
Betta patoti, sometimes known as the tiger betta or zebra betta, is a species of gourami. It is a freshwater fish native to Asia, where it occurs in the southern part of East Kalimantan on the island of Borneo in Indonesia. The species reaches 10.7 cm in total length and is known to be a facultative air-breather.
