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Marlboro Red — discus orange-red Symphysodon sp. | discus encyclopedia
Orange

Marlboro Red

Symphysodon sp.

Medium

Description

The Marlboro Red impresses with its uniform and intense orange-red coloration across its body, with minimal visible peppering. It is extremely popular worldwide.

🌍 Origin & History

This variety is derived from Pigeon Blood through intensive selection for a more intense red-orange hue. It originated in Thai and Malaysian fish farms during the 1990s and 2000s. The name comes from the colors of the Marlboro cigarette brand (red-orange on a white background).

Appearance

The body is completely covered with an intense, uniform red-orange color. It has no vertical bars. Black peppering is minimal or absent (in high-quality specimens). The eyes are intensely red. The fins have orange hues with thin edges. The body is round, symmetrical, and has a 'solid' appearance with a uniform color.

🧬 Genetic background

Directly derived from Pigeon Blood through selective crossings with Red Melon specimens or other lines of intense red. It inherits the dominant Pigeon Blood gene. Black peppering has been minimized through generations of selection. The genetic base includes Pigeon Blood × Red Melon × selection for intense red background.

Recommended water parameters

pH
6–7
TDS
100–200 ppm
Temperature
28–31°C
GH
1–7 °dGH
⚠ Don't chase the exact water values — stability is what matters most. Discus from European farms are already used to harder water with a higher pH.
14–18 cm
Size
10–15 ani
Lifespan
200L
Min. tank

Care

Feed with carotenoid-rich foods (krill, astaxanthin) to maintain the intensity of the red color.

Breeding

Easy to reproduce. Offspring inherit the dominant PB gene.

💡 Practical tips

  • →Krill and brine shrimp with astaxanthin enhance natural redness
  • →Avoid crossing with striped varieties to maintain solid color

Products for this variety

Filters, food, tests and treatments for discus

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