False black tetra - Gymnocorymbus thayeri
Scientific name: Gymnocorymbus thayeri
Common name: False black tetra
Usual size in fish tanks: 4 - 5 cm (1.57 - 1.97 inch)
Recommended pH range for the species: 6.3 - 7.4
Recommended water hardness (dGH): 5 - 22°N (89.29 - 392.86ppm)
0°C 32°F30°C 86°F
Recommended temperature: 22 - 27 °C (71.6 - 80.6°F)
The way how these fish reproduce: Spawning
Where the species comes from: South America
Temperament to its own species: peaceful
Temperament toward other fish species: peaceful
Usual place in the tank: Top levels
Food and feeding
False black tetras should accept all foods offered. They require a quality flake or pellets for their staple diet but the addition of live or frozen foods will benefit these fish.
South America; False black tetras can be found in the waterways of Colombia, Brazil and Bolivia.
Males and females can look similar but the females will have a plumper appearance.
Provide a planted tank for breeding purposes and use soft, acidic water. Condition the parents with live or frozen foods for two weeks prior to the spawning attempt. The eggs will be scattered around the tank and at this stage the parents should be removed to prevent them eating the eggs. When the fry are free swimming, they can be fed on Infusoria initially; as they grow this can be changed to newly hatched brine shrimp.
The expected life span of Gymnocorymbus thayeri is 3-5 years.
Try to keep Gymnocorymbus thayeri in a planted tank with the addition of wood or rocks to provide hiding places. They prefer soft, acidic water and, being classed as a peaceful species, will make a great addition to any community tank.
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