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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 aequifasciatus. Symphysodon aequifasciatus, the blue discus or brown discus, is a species of cichlid native to rivers of the eastern and central Amazon Basin downriver from the Purus Arch. [2] This discus is found in black-, clear- and whitewater, [2][3] but its preference for lentic habitats such as floodplains and flooded forests ...
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]
So you've used new stackable props to create a thriving fish metropolis of wonder and might, but maybe your tank still just doesn't feel right. Maybe you still need to find that one special fish.
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 green discus is found in blackwater ...
Paratrygon aiereba also known as discus ray, manzana ray or ceja ray is a river stingray from the Amazon basin in South America. Appearance Tocantins, Brazil. This freshwater ray has small eyes and a disc shaped roughly like a lily pad (the snout is slightly concave). It is brownish above with a dark vermiculated or reticulated pattern.
discus fish are capable of sex changing by itself. i have found that out by experience. i have a pair of discus and confirmed at the time he was paired up with a female and spawned a few times with young fry hatching so i know he was a fertile male discus. later on i traded it with a friend of mine who is a great discus fish hobbyist as well.
The world's smallest fish depends on the measurement used. [1]Based on minimum standard length at maturity the main contenders are Paedocypris progenetica where females can reach it at 7.9 mm (0.31 in), [2] [3] [4] the stout infantfish (Schindleria brevipinguis) where females reach it at 7 mm (0.28 in) and males at 6.5 mm (0.26 in), [1] and Photocorynus spiniceps where males can reach it at 6. ...