Pleco – Royal Thunder Line L-027

$85.00

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Care LevelModerate
TemperamentPeaceful
DietHerbivorous (algae flake, green wafers, seaweed, spirulina, vegetables)
Water ConditionsTemperature: 72-78°F, pH: 7.8-8.6, Stable Parameters are key.
Max SizeUp to 18 and 24 Inches
Scientific NamePanaque armbrusteri
Minimum Tank Size 120 to 150+ gallons
CompatibilityGood tank mates for a Thunder Line Royal Pleco (L027) (Panaque / Panaqolus species) are peaceful, mid-to-upper-water-column fish that do not compete for the bottom substrate or wood, and can handle similar warm, soft Amazonian water conditions such as: Large Tetras: Substantial-bodied schooling tetras like Congo tetras or diamond tetras swim in the mid-to-top layers and are large enough not to be bothered by the pleco. Silver Dollars: Peaceful, herbivorous schooling fish that occupy the upper water levels. (Note: Because silver dollars also eat heavy amounts of plant and supplemental foods, make sure your Royal Pleco still gets enough wood and sinking diets). Geophagus Eartheaters: Peaceful species like the Geophagus abalios or Geophagus surinamensis share similar South American biotopes, though they sift through sand rather than contesting the heavy driftwood preferred by Royal Plecos. Severums or Festivums: Gentle, medium-sized South American cichlids that are calm enough to co-exist in large setups without terrorizing a bottom dweller. Corydoras Catfish: Small substrate-pickers that operate in a different feeding niche and generally ignore large plecos.
Avoid Housing WithOther Large Plecos: Royal Plecos are notoriously territorial toward other large plecos and bottom-dwelling armored catfish; keep only one L027 per aquarium unless you have an exceptionally massive tank (150+ gallons) with distinct territory zones. Aggressive Cichlids: High-aggression Old World or large predatory New World cichlids can stress or injure the fish. Tiny Nano Fish: Very small fry or tiny micro-fish can occasionally be swallowed or stressed during a large pleco's nocturnal movements.

Description

Pleco – Royal Thunder Line L-027

The Thunder Royal Pleco (L027), scientifically classified as Panaque armbrusteri, is one of the largest and most striking variants of the Royal Pleco, reaching adult sizes of 18 to 24 inches. Features thick, high-contrast dark bodies marked with bold golden, orange, or yellow longitudinal stripes (“thunder lines” or gold lines) and vibrant red-to-orange eyes. The metallic gold and dark striping becomes more prominent and dramatic as the fish matures. Equipped with specialized spoon-shaped, wood-rasping teeth suited for a xylivorous (wood-eating) diet.

Typically grows between 18 and 24 inches (45–60 cm) in length, making it significantly larger than the standard L190 Royal Pleco. Requires a massive display aquarium—at least 120 to 150+ gallons (570+ liters) with a wide footprint (24+ inches front-to-back) to accommodate its full-grown bulk and swimming habits. Strong, high-flow filtration and well-oxygenated water are mandatory due to their heavy biological waste output. They are xylivores, meaning driftwood is a required part of their diet rather than just decoration; they rasp wood fibers to aid in digestion. Supplement their diet with sinking algae wafers, blanched vegetables (like zucchini), and specialized wood-eater gel foods.

Generally peaceful with unrelated tank mates (such as large cichlids, silver dollars, or pacu), but highly territorial and aggressive toward conspecifics (other Royal Plecos or bottom-dwelling catfish).Best kept solitary unless housed in an exceptionally large multi-hundred-gallon setup with divided territories.

Additional information

Weight 2 lbs

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