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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.
This table includes mainly food fish species, but also listed are crustaceans (crabs and shrimps), cephalopods (squids and cuttlefishs), bivalves, and a reptile (softshell turtle). Note that Oreochromis niloticus and Penaeus monodon appear twice, because substantial amounts are harvested from the wild as well as being extensively raised through ...
A vampire hedgehog, a pygmy pipehorse and a "blob-headed" fish were among the hundreds of new species identified in 2024. The variety of species identified was quite eclectic and names for the new ...
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]
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. ...