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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 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]
Tank size Temperature range pH range Water Hardness Arowana tetra: Gnathocharax steindachneri: 5 cm (2.0 in) Black phantom tetra: Hyphessobrycon megalopterus: 3.6 cm (1.4 in) [26] The black phantom tetra enjoy being in groups of 6 or more and a slightly shaded tank. Males may claim small territories and occasionally minor battles may occur.
Swimmers practiced in a canvas tank, 15 feet (4.6 m) long by 5 feet (1.5 m) wide, constructed on deck. While practicing their strokes, they would wear a belt suspended from an overhead rope that kept them in the middle of the tank. [10] The cycling team worked on the forward deck with bikes secured to the ship's structure. [11]
Seen in this community tank are Siamese fighting fish, mollies, a platy, and a rainbowfish. For freshwater community tanks, there are large numbers of species that make successful community fishes. Most of the livebearers , barbs , tetras , rasboras , danios , and rainbowfishes are peaceful, though a few species are fin nippers , most notably ...
This page was last edited on 9 November 2024, at 02:40 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
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.
Brachychalcinus orbicularis, or the discus tetra, is an omnivorous characin found in rivers, creeks, and tributaries in tropical South America. [1] References