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Symphysodon (colloquially known as discus or discus fish) is a genus of cichlids native to the Amazon river basin in Brazil.Due to their distinctive shape, calm behavior, many bright colors and patterns, and dedicated parenting techniques, discus are popular as freshwater aquarium fish, and their aquaculture in several countries in Asia (notably Thailand) [1] is a major industry.
Symphysodon tarzoo, the green discus, is a species of cichlid endemic to Brazil; specifically, to rivers of the western Amazon Basin upriver from the Purus arch, although it occasionally occurs downstream. [2] [3] An introduced population in the Nanay River is based on stock from the Tefé region. [4]
The taxonomy is disputed, but FishBase follows a review of the genus from 2006. [2] [8]In 2007 it was suggested that the correct scientific name of the blue/brown discus is S. haraldi, whereas S. aequifasciatus is the correct name for the green discus.
Symphysodon discus, the red discus or Heckel discus, is a species of cichlid endemic to the Amazon Basin of Brazil, where found in the lower Rio Negro, upper Uatumã, Nhamundá, Trombetas and Abacaxis. [2] This species is essentially restricted to blackwater habitats with a high temperature of 26–32 °C (79–90 °F) and low pH of 4.2–5.2. [3]
The 70 wild species shown in this table total 41,925,250 tonnes. Other wild species total 49,410,980 for a world total of 91,336,230 tonnes of wild, captured animals. [2] The 31 cultivated species shown in this table total 45,252,999 tonnes.
Brachychalcinus orbicularis, or the discus tetra, is an omnivorous characin found in rivers, creeks, and tributaries in tropical South America. [ 1 ] References
It’s not surprising to find a few cars on this list of the world’s most expensive things. In 2018, a 1962 red Ferrari GTO sold to an anonymous buyer at Sotheby’s auction in Monterey for $48. ...
This fish also occurs in estuaries. largest freshwater pufferfish, they are very peaceful with most fish except, other Mbu pufferfish, other fish that will harass them. see above [82] Congo pufferfish: Tetraodon miurus: 15 cm (5.9 in) As it is an ambush pufferfish it is best to house it alone as it will attack tank mates. See above. [83]