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Pigeon Blood Discus

Symphysodon discus var. Pigeon Blood

The Pigeon Blood is a revolutionary genetic mutation born in Asia. This Discus lacks the vertical black bars that indicate stress in normal Discus, always appearing bright, with orange/yellow bases and irregular striations. Unfortunately, melanin is distributed randomly in the form of "peppering" (black freckles or soot spots), a severe aesthetic defect that worsens if the fish is stressed or kept on dark substrates. The mutation has also made them terrible parents, lacking the vital skin mucus to feed the fry, making their natural breeding almost impossible in aquariums.

Water Temperature

28 - 32 °C

pH Value

6 - 7.5

Water type

Freshwater

Tank level

Middle

Adult size

20 cm

Minimum tank volume

>= 300 L

Minimum group

>= 5

GH

2 - 12 dGH

KH

1 - 6 dKH

TDS

40 - 240 ppm

Conductivity

63 - 375 uS/cm

Species description

Geographical Origin and Habitat: The wild, ancestral Symphysodon discus is endemic to the Amazon River basin, ruling the deeply flooded forests and stagnant, shadow-drenched blackwaters. **Warning:** The "Pigeon Blood" variant is a highly famous, 100% artificial genetic mutation created in the early 1990s in Thailand by breeder Kitti Phanaitthi by crossing heavily mutated domestic Discus. It is completely man-made, exists nowhere in the wild, and its blazing bright colors would guarantee its immediate assassination by predators in the Rio Negro.
Taxonomy and Morphology: Celebrated universally in the hobby as the "Pigeon Blood Discus." It seamlessly retains the iconic, breathtaking saucer-like architecture of the wild Discus: a nearly perfectly circular, dramatically flattened "flying saucer" body designed for slicing quietly through water, equipped with a tiny, surgical mouth. It easily achieves majestic diameters of 15-20 cm (6-8 inches). Because it is a heavily domestic, line-bred (and often highly inbred) strain, some poorly bred specimens may suffer from slightly stunted/stockier profiles or shortened gill covers compared to the titanic wild forms.
Social Behavior: His Majesty, the Hybrid. It shares the exact, identical ethology of its wild counterpart: it is a highly gregarious, timid, statuesque, and painfully slow-moving schooling fish. The strict mandate to house them in groups of at least 6-8 individuals remains, as they operate under a ruthless, subtle "Alpha-Omega" hierarchy enforced by slow shoving matches and pecking. Fortunately, generations of being raised in bare glass tanks have made the Pigeon Blood slightly less high-strung, terrified, and reactive to room lights and human movement than the hyper-nervous wild Heckels.
Coloration and Sexual Dimorphism: The absolute antithesis of the Wild Discus, and a revolutionary breakthrough in fishkeeping. The defining genetic mutation of the Pigeon Blood is its *total biological inability to display the famous 9 dark vertical "Stress Bars"* used by wild Discus to communicate, and the complete stripping of the dark brown camouflage base layer. Instead, it erupts into a blinding base canvas of neon orange, creamy yellow, or blazing blood-red. The body is heavily slashed and "scratched" with thick, chaotic pearl-white, icy-blue, or black vermiculations (maze patterns). The eye is characteristically a piercing, vivid scarlet. **The "Peppering" Problem:** Under stress, when housed over dark substrates, or in poorly bred genetics, the fish's skin aggressively breaks out in thousands of tiny, black, soot-like speckles (peppering) that look like sprinkled black pepper, ruining the clean aesthetic. **Zero Dimorphism:** Males and females are completely, 100% visually indistinguishable, except by the shape of the breeding tube the second they begin laying eggs.

Care, breeding and tankmates

Aquarium Setup: It demands the same titanic, dedicated infrastructure as wild strains, but with a highly critical aesthetic warning. Minimum 300 liters (75 Gallons, though 100+ is strongly preferred), and a minimum vertical water column of 50+ cm (20 inches). **Mutation Warning:** Because Pigeon Bloods react to dark environments by aggressively turning up their ugly black "Peppering" camouflage, the tank *MUST NOT* simulate the pitch-black water and dark mud of the Rio Negro. They demand light, sky-blue backgrounds and a massively bright, pristine expanse of fine white or cream-colored pool filter sand to keep their orange colors looking "clean" and glowing. Driftood and Amazon Swords are great, but the tank should look bright and modern, not dark and gloomy.
Diet and Feeding: Macro-omnivore/Micro-predator. Pure benthic foragers. Compared to wild caught Discus, Pigeon Bloods (born over generations to eat flakes and pastes) are somewhat less finicky and exasperating, but they still strictly demand a hyper-protein, ultra-premium diet. Feed premium Discus-specific granules (heavily laced with Astaxanthin to force the red/orange colors to pop), massive servings of high-quality frozen bloodworms, and artemia. Feeding very small amounts constantly (multiple times daily for juveniles) is life or death. The over-reliance on massive chunks of "Beefheart Mix" works miracles for bulking them up, but it catastrophically pollutes the water, triggering lethal bacterial blooms against this highly-bred, sensitive strain.
Water Quality: Chemically far more forgiving than wild caught strains, but biologically just as violently sensitive. They easily tolerate moderately hard tap water (GH 5-10) and a neutral pH (6.5 - 7.5), completely freeing you from the nightmare of mixing RO water to hit a lethal pH of 5.0. However, **extreme heat (28-30°C / 82-86°F)** is vital and non-negotiable. Biological purity must border on paranoia: absolute zero ammonia and barely detectable nitrates. Any collapse in water quality or a clogged filter will result in an immediate, ugly explosion of black "peppering" dots on their bodies, followed rapidly by fatal intestinal pathogens.
Compatibility and Cohabitation: The tank must be a dedicated temple catered exclusively to their glacial feeding speed. They mix spectacularly well with other bright domestic Discus strains (Stendkers, Blue Diamonds, Marlboros) to create a rainbow tank. The only acceptable tankmates (for movement and cleanup) are massive, tight schools of heat-loving Cardinal or Rummy-nose Tetras, and tireless *Corydoras sterbai* (which survive the 84°F heat) on the sand. It is premeditated murder to house them with Angelfish (famously ravenous eaters and asymptomatic carriers of flagellate parasites), or with nervous, aggressive fin-nipping cyprinids like Tiger Barbs.
Aquarium Breeding: A bi-parental spawner. Breeding follows the classic Discus protocol: they aggressively clean a terracotta cone and lay the eggs. However, due to the massive Asian inbreeding required to fix the bright colors, the "Pigeon Blood" is cursed with **two artificial nightmares**: 1. Many young pairs have their parental instincts genetically wiped out, sadistically cannibalizing their own fry the first night. 2. Because they biologically lack dark "stress bars" and dark brown base pigment (replaced by bright red/white), the microscopic newborn fry—who are biologically hardwired to visually locate and swarm the "dark, shadowy sides" of their parents to eat the life-saving mucus—literally "cannot see" or find their bright orange parents in the light. The babies hopelessly scatter around the tank and literally starve to death or get sucked into the filter unless the breeder artificially blackouts the tank or lowers the water level.
Risks and Diseases: 1. The Hexamita Demon: Like any Discus, if subjected to stress or rotting food, this parasite instantly obliterates the gut lining, causing extreme emaciation ("knife-edge" thinness), white stringy feces, and the fatal, rotting "Hole in the Head" disease. 2. Unstoppable Peppering: If kept in a "Dark Amber Biotope with Black Sand" setup, the animal will try to camouflage itself, covering its beautiful orange body entirely in permanent, hideous black soot dots. 3. Irreversible Stunting: Buying a cheap, tiny hybrid and putting it in a 20-Gallon tank guarantees it will stop growing its body, but its eyes will keep expanding ("Owl-Face"), deforming the fish permanently.

Geographic Origin and Distribution

The wild, ancestral Symphysodon discus is endemic to the Amazon River basin, ruling the deeply flooded forests and stagnant, shadow-drenched blackwaters. **Warning:** The "Pigeon Blood" variant is a highly famous, 100% artificial genetic mutation created in the early 1990s in Thailand by breeder Kitti Phanaitthi by crossing heavily mutated domestic Discus. It is completely man-made, exists nowhere in the wild, and its blazing bright colors would guarantee its immediate assassination by predators in the Rio Negro.

Origin

Selective breeding and cultivarsAmazon, Orinoco, and GuianasNorth AmericaSouth and Southeast Asia

Fish profile

Temperament
Peaceful
They are majestic, calm, and interactive fish that often learn to recognize their owners. While less sensitive than wild-caught specimens, they still require a peaceful, stable environment to thrive. Sudden loud noises or aggressive tank mates will quickly cause them to become timid and reclusive.
Diet
Carnivore
They are omnivorous and require a rich, varied diet to maintain their bright orange and red coloration. High-quality Discus pellets should be supplemented with frozen beef heart, bloodworms, and brine shrimp. Proper nutrition is critical during their juvenile stage to ensure they reach their full, impressive adult size.
Life expectancy
10-15 years
In a well-managed aquarium, the Pigeon Blood Discus can live for 10 to 15 years. Achieving this lifespan depends on maintaining high water quality, performing regular water changes, and providing a high-quality, varied diet. Since they are a selectively bred domestic strain, they can sometimes be slightly more prone to genetic weaknesses if not sourced from a reputable breeder. Proper care and a stress-free environment are essential for helping them reach their full genetic potential.
Adult size
20 cm
The catalog's scalar value is 20 cm. The FishBase SPECIES table (v25.04 snapshot) source reports a maximum adult measurement of 12.3 cm for this species, recorded as standard length (SL). The biological datum refers to the base species Symphysodon discus (v25.04); male or unsexed record, not exclusively to the commercial variety. These figures are not interchangeable: the first is the profile's editorial reference, whereas the second is a published maximum under a specific measurement convention; differences among sources can reflect sex, population, life stage and measuring method.
Sex ratio
Pair
They should be kept in a group of at least six individuals to allow for natural socialization and pair formation. Within the group, a natural pecking order will form, distributing any mild aggression. Once a pair bonds, they may become slightly territorial during spawning, but generally remain peaceful.
Feeding frequency
Twice daily
Adults should be fed a high-quality diet two to three times a day. Juveniles require intense feeding regimens, often four to six times daily, to support rapid growth. Any uneaten food must be siphoned out quickly to maintain the pristine water conditions they demand.
Bioload
Like all Discus, the Pigeon Blood variety produces a heavy bioload that requires strict management. Their high-protein diet results in significant waste, demanding excellent biological and mechanical filtration. Copious water changes, often multiple times a week, are mandatory to prevent nitrate accumulation and stunting.
Flow
Stagnant
They prefer very gentle water movement that mimics the calm, slow-flowing Amazonian tributaries. High flow rates force them to expend unnecessary energy and cause considerable stress. Filter returns should be baffled or directed towards the glass to ensure the main swimming area remains relatively still.
Reproduction
Oviparous
Pigeon Blood Discus are somewhat easier to breed than wild types, but still require pristine water and a dedicated breeding cone. Like other Discus, the parents produce a nutritious slime coat that the newly hatched fry feed upon. The trait for heavy 'peppering' (black spots) is often seen when they are stressed or kept in dark environments.
Compatibility & tankmates
Community
They are peaceful, gregarious cichlids that prefer the company of gentle, warm-water species. Excellent companions include Corydoras catfish, Rummy-nose tetras, and small, peaceful plecos. Fast-moving or aggressive fish will outcompete them for food and cause them to hide, leading to extreme stress.
Tank level
Middle
They are elegant mid-level swimmers that spend their time gliding through the open spaces of the aquarium. They appreciate vertical structures like Amazon sword plants or driftwood, which provide shelter and mimic their natural habitat. They will pick at food on the bottom but rarely linger at the very surface.

Scientific Parameters & Models

FishBase

Window to the official scientific data of the species

Data synced on: 06/15/2026
Trophic level
2.9 ± 0.33 se
Resilience
High (less than 15 months)
Phylogenetic uniqueness (PD50)
0.625
Bayesian Length-Weight
a = 0.02692, b = 3.02
VulnerabilityLow vulnerability (10 / 100)

Image gallery

Licensed images linked to the species or, when marked, to the closest representative taxon.

Related species

Recommendations grouped by close relatives, companion choices, and similar care.

Last updated: 05/13/2026