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Rob's Aquatics Fish Shop

Marbled Fenestratus 3”

Marbled Fenestratus 3”

Regular price $25.00
Regular price $35.00 Sale price $25.00
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🌀 Marbled Fenestratus Cichlid (3”) – Rare Color Morph of a Bold Central American Predator

Looking to add power, pattern, and personality to your cichlid collection? The Marbled Fenestratus Cichlid (Vieja fenestrata – Marbled Morph) is a stunning and uncommon variant of the standard Fenestratus, displaying a swirling mix of pearly whites, charcoal blacks, and golden undertones even at a young size.

At 3 inches, this juvenile is just beginning to show its signature marble-like coloration, which will intensify as it grows into a large, dominant showpiece cichlid. With their sharp intelligence and striking patterns, these fish make an impressive addition to any Central American or mixed aggressive setup.


🐟 Species Profile:

  • Scientific Name: Vieja fenestrata (Marbled variant)

  • Common Name: Marbled Fenestratus Cichlid

  • Size: 3 inches (can grow to 12–14 inches)

  • Temperament: Aggressive and territorial

  • Tank Size: 90+ gallons (125+ recommended for adults)

  • Water Parameters: 75–82°F | pH 7.0–8.2 | Moderate to hard water

  • Diet: Omnivore – thrives on pellets, vegetables, shrimp, and quality protein-rich foods


⚔️ Tank Setup & Behavior:

Marbled Fenestratus do best in:

  • Large tanks with open space, rocks, and heavy décor

  • Sandy substrate for natural digging behavior

  • Powerful filtration to handle bio-load from large cichlids

Compatible with:

  • Other Vieja species, Midas Cichlids, Red Terrors, Jack Dempseys

  • Large bottom dwellers like Ripsaw Catfish or Plecos

  • Not suitable for small or peaceful tank mates

These fish are highly expressive, often becoming the dominant fish in the tank. Their coloration varies depending on mood, dominance, and lighting—making them a dynamic and interactive centerpiece for experienced keepers.


🛒 Why Buy from RobsAquatics.com?

Each 3” Marbled Fenestratus Cichlid is:

  • Hand-selected for rare marble morph patterning

  • Feeding on prepared omnivore diets

  • Shipped live with our Live Arrival Guarantee

  • ✅ A top-tier grow-out for cichlid enthusiasts and monster tank hobbyists


📦 Extremely limited stock – Marbled Fenestratus are a rare morph not commonly found in stores. Order your future tank boss today—only at RobsAquatics.com.

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