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Red phantom tetra - Hyphessobrycon sweglesi

Red phantom tetra - Hyphessobrycon sweglesi

Scientific name: Hyphessobrycon sweglesi

Common name: Red phantom tetra

Family: Characidae

Usual size in fish tanks: 3 - 4 cm (1.18 - 1.57 inch)


Recommended pH range for the species: 5.7 - 7.5

Recommended water hardness (dGH): 4 - 20°N (71.43 - 357.14ppm)

0°C 32°F30°C 86°F

Recommended temperature: 21 - 25 °C (69.8 - 77°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

Red phantom tetras will accept all foods offered. Use a quality flake for the staple diet but to keep the fish in top condition and colour, treat them with live or frozen foods. Brine shrimp and blood worms are ideal.


South America; Red phantom tetras are to be found in the Orinoco River basins in Venezuela and Colombia.


The dorsal fin on the male will be taller and more pointed than the females. The female will also display a dark spot with a white tip on her dorsal fin.


The breeding tank should be set up with floating plants and subdued lighting. The male will display to the female and eventually she will lay up to 300 eggs. At this stage the parents should be removed or they will eat the eggs. Once hatched and the fry are free swimming, they can be fed on newly hatched brine shrimp initially and as they grow, they can be fed on crushed flake.


The expected life span for Hyphessobrycon sweglesi is 5 years.

Short description

Hyphessobrycon sweglesi need to be kept in a planted tank containing soft, acidic water. They need to be kept in small groups of at least 6-8 fish.


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Red phantom tetra, picture 1 Red phantom tetra, picture 2 Red phantom tetra, picture 3 Red phantom tetra, picture 4

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