Cichlasoma sp. thai silk flowerhorn 4 - — tropical fish for sale UK — AI hero driftwood view

Flowerhorn cichlid (hybrid; often sold as Cichlasoma sp. or Amphilophus/Paraneetroplus hybrid)

Cichlasoma sp. thai silk flowerhorn 4 - (Flowerhorn cichlid (hybrid; often sold as Cichlasoma sp. or Amphilophus/Paraneetroplus hybrid)) — 4-5cm

Moderate Care
Aggressive
£76.99In Stock

A striking, high-contrast Thai silk flowerhorn cichlid with bold personality, intense coloration, and impressive display presence. Moderate care, aggressive. 26-30C, pH 6.5-7.8.

care:moderatediet:omnivorefamily:cichlidaesite:tropical-fish-cosize:largetemperament:aggressivetype:freshwater-fish

Care at a Glance

Scientific Name
Flowerhorn cichlid (hybrid; often sold as Cichlasoma sp. or Amphilophus/Paraneetroplus hybrid)
Adult Size
30 cm
Lifespan
10 years
Care Level
Moderate
Temperament
Aggressive
Temperature
26–30°C
pH Range
6.5–7.8
Hardness
5–20 dGH
Minimum Tank
350L
Diet
Omnivore

Water Parameters

Maintain these water conditions for optimal health and vibrant colors

Temperature
26–30°C
26°CIdeal Range30°C
pH Level
6.5–7.8
6.5Ideal Range7.8
Water Hardness
5–20 dGH
5 dGHIdeal Range20 dGH

Overview

The Thai silk flowerhorn (juvenile 4-5cm) is a striking, high-contrast hybrid cichlid with bold personality, intense coloration, and impressive display presence. This captivating fish is highly sought after in the tropical fish for sale UK market, representing a specific breeding line selected for exceptional "silk" pattern development. Available as flowerhorn cichlid for sale UK, these juveniles offer aquarists the opportunity to raise a stunning display specimen from a young age, allowing for bonding and acclimation as the fish grows. With an adult size of approximately 30 cm, the Thai silk flowerhorn requires a very large aquarium (minimum 350 litres) and experienced aquarists prepared to manage its aggressive temperament. For those willing to provide the right environment, this variety offers exceptional beauty and fascinating behavior.

Appearance

Thai silk flowerhorns display a distinctive "silk" pattern with flowing, interconnected markings across the body that create a continuous visual effect. At the 4-5cm juvenile stage, coloration is beginning to develop, showing the foundation of the vibrant reds, oranges, and metallic hues that will intensify with maturity. The nuchal hump will develop as the fish grows, becoming especially pronounced in males. Finnage is proportional and will become more elaborate as the fish matures. The overall appearance is already striking, with the promise of even greater beauty ahead.

Natural Habitat

As a captive-bred ornamental hybrid, the Thai silk flowerhorn does not occur naturally in the wild. The parent species originate from Central and South American freshwater systems with warm, neutral to slightly alkaline water. Understanding these ancestral conditions helps create appropriate captive environments that support health, growth, and coloration development.

Water Parameters

  • Temperature: 26-30°C
  • pH: 6.5-7.8
  • Hardness: Adaptable to a range of hardness levels
  • Minimum Tank Size: 350 litres (for adult)

Aquarium Setup

This is a large, highly territorial hybrid cichlid that needs strong filtration, frequent water changes, and plenty of open swimming space. For juveniles, a smaller tank (150-200 litres) is acceptable, but plan to upgrade to 350+ litres as the fish grows. Use heavy, stable décor that cannot be moved, and provide ample open swimming space. Strong filtration is mandatory, and regular large water changes (40-50% weekly) are essential. Keep only with similarly robust tankmates, and monitor for aggression as the fish matures.

Feeding

Offer high-quality cichlid pellets as the staple, supplemented with frozen or live foods such as krill, shrimp, earthworms, and insect larvae. Juveniles require more frequent feedings (2-3 times daily) to support rapid growth. Avoid fatty feeder fish and offer occasional vegetable matter to support digestive health. A varied, balanced diet supports optimal growth, coloration, and future hump development.

Pro Tip: Raising a flowerhorn from juvenile size allows you to establish a strong bond—they often become highly interactive "pet fish" that recognize and respond to their primary keeper.

Behaviour and Temperament

The Thai silk flowerhorn is aggressive and territorial, with these traits intensifying as the fish matures. Juveniles may be slightly less aggressive but should still be monitored closely with any tankmates. Most specimens will claim the entire aquarium as their territory. Despite aggression toward other fish, they are intelligent and interactive with their keepers, often displaying curious behavior and responding to their owner's presence.

Tank Mates

Usually best kept alone. If tankmates are used, only very large, robust fish in a very large tank with close monitoring have any chance of success. Small fish, shrimp, snails, peaceful community fish, and fin-nipping species are entirely incompatible. Juvenile flowerhorns may tolerate tankmates briefly, but aggression typically increases dramatically with maturity.

Breeding

Flowerhorns are hybrid cichlids and may spawn readily if paired, but compatibility is unpredictable and aggression during breeding is intense. Use a large breeding tank, provide flat spawning surfaces, and be prepared to use dividers to prevent injury. Juveniles are too young for breeding consideration. Breeding should only be attempted by experienced aquarists with appropriate facilities.

Why Buy from Tropical Fish Co

At Tropical Fish Co, we specialize in sourcing healthy, high-quality flowerhorn cichlids from reputable breeders who prioritize exceptional genetics. Every juvenile is carefully quarantined and health-checked to ensure it arrives in peak condition. Our expert team provides detailed guidance on raising juveniles, tank upgrades, and long-term care requirements. With nationwide UK delivery, a live arrival guarantee, and ongoing support, we make it easy to succeed with these impressive hybrids. Order today and experience the quality and service that sets Tropical Fish Co apart.

Premium Quality

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Expert Care

Detailed care guides and support

Live Arrival Guarantee

Your fish arrives healthy or we'll replace it

Acclimated

Properly quarantined and ready for your tank