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The best known Betta species is B. splendens, commonly known as the Siamese fighting fish and often kept as an aquarium pet. Characteristics All Betta species are small fishes, but they vary considerably in size, ranging from under 2.5 cm (1 in) total length in B. chanoides to 14 cm (5.5 in) in the Akar betta ( B. akarensis ).
Betta, or Siamese fighting, fish are among "the most popular freshwater aquarium fish in the world," PetMD reports. Native to southeast Asia, this species is known for its range of vibrant hues.
Pseudosphromenus cupanus, also known as the spiketail paradisefish or Spiketail betta fish is a species of medium-small gouramies native to southern India and Sri Lanka. [2] This species is often found in shallow, slow-moving or stagnant water, such as ditches and paddy fields. [3] P. cupanus eats insects and zooplankton. [3]
Betta andrei [1] is a species of gourami in the family Osphronemidae. It is a black water fighting fish that is endemic to Singkep Island , Indonesia . It was described in 2023 by Heok Hui Tan , who named it after Andre Chandra, a fish collector and enthusiast who helped him during his fieldwork.
The peaceful betta or crescent betta (Betta imbellis) is a species of gourami native to Southeast Asia. Betta imbellis has a pair of suprabranchial chambers that each house a labyrinth organ , a complex bony structure lined with thin, highly vascularised respiratory epithelium .
Betta unimaculata, the Howong betta, is a species of labyrinth fish endemic to the island of Borneo where it is only known from the eastern portion of the island. This species grows to a length of 12.6 centimetres (5.0 in) TL, one of the largest known species of Betta. This species is also found in the aquarium trade. [2]
Betta patoti, sometimes known as the tiger betta or zebra betta, [1] [2] 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 (4.2 inches) in total length and is known to be a facultative air-breather. [3]
The spotted betta or Java fighting fish (Betta picta) is a species of gourami endemic to Indonesia where it inhabits relatively cool, 22‒25 °C (72‒75 °F), highland streams of Java. [ 2 ] [ 3 ] [ 4 ] In 1967, D. S. Johnson reported the species to be common in blackwaters of southern Malaya .