L011 Red Fin Thresher Pleco (Squaliforma emarginata) – Brazil

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The Red Fin Thresher Pleco L011 is a commanding Amazonian species defined by structure and contrast. Its elongated body, sculpted profile, and striking red-edged fins give it a refined but powerful presence. Unlike smaller algae-grazing plecos, Squaliforma emarginata carries weight and authority—best appreciated in larger aquariums built around wood, stone, and intentional flow.

Collected from Brazil, this species rewards aquarists who value natural form, river-inspired layouts, and long-term growth planning.

What We Love About This Fish

• Distinctive Red Fin Accents: Subtle yet bold coloration that intensifies in stable conditions.
• Strong Structural Presence: A pleco that anchors the lower zones of large aquariums.
• Amazonian Lineage: Authentic Brazilian species with regional identity.
• Hardy and Adaptable: Thrives in well-maintained, properly filtered systems.

Quick Care Guidelines

• Temperature: 75°–82°F (24°–28°C)
• pH: 6.0–7.5
• KH: 2–10 dKH
• Minimum Tank Size: 75 gallons (larger recommended for adults)

• Diet: Primarily herbivorous with omnivorous tendencies; provide high-quality algae wafers, vegetable matter, and occasional protein supplementation.
• Social Behavior: Generally peaceful but territorial toward other plecos, especially in confined spaces.

• Community Tank Suitable: With Caution – Best housed with medium to large peaceful species; avoid highly aggressive tank mates.
• Shrimp Safe: Not Recommended – May consume shrimp, particularly smaller individuals.

• Origin: Collected – Brazil
• Average Adult Size: 12–14 inches (30–35 cm)
• Average Purchase Size: 2–3 inches (5–7.5 cm)