Colombian Ramshorn Snail (Marisa cornuarietis) Large freshwater snail with bold spiral shell; excellent algae eater and cleanup crew for aquariums and planted tanks

Large Freshwater Snail • Bold Spiral Shell • Active Cleanup Crew for Aquariums

Colombian Ramshorn Snails are eye-catching freshwater snails known for their large size, striking spiral shells, and active behavior. Unlike smaller ramshorn species, these snails grow quite large and become a noticeable, functional feature in aquariums.

Highly valued for their ability to clean algae and leftover food, Marisa cornuarietis is both a practical and decorative addition to planted tanks and freshwater systems.

What Makes Colombian Ramshorn Snails Special?

These snails stand out for their size and bold appearance.

Snail characteristics:

• Scientific name: Marisa cornuarietis
• Common name: Colombian Ramshorn Snail
• Size: Up to 2 inches in diameter
• Shell: Flat, coiled spiral resembling a ram’s horn
• Color: Often yellow, gold, brown, or striped
• Lifespan: Typically 1–3 years

Their large size and visible movement make them a centerpiece among aquarium invertebrates.

Active Cleanup Crew

These snails are excellent at maintaining tank cleanliness.

Cleanup benefits include:

• Consumes algae from glass and surfaces
• Eats leftover food and organic debris
• Helps reduce waste buildup
• Contributes to overall tank balance

They are especially useful in planted and community aquariums.

Unique Behavior & Visibility

Colombian Ramshorns are more active and noticeable than many snails.

Behavior highlights:

• Constantly grazing and exploring
• Often visible during the day
• Engages with tank surfaces and décor
• Adds movement and interest to the tank

Their activity makes them both functional and entertaining.

Important Plant Note

Unlike many smaller snails, they may feed on soft plants.

Key consideration:

• Can eat delicate or tender plant leaves
• Best suited for tanks with hardy plants
• Supplement feeding can reduce plant nibbling

Choose tank setups accordingly to match their behavior.

Easy Care & Hardy Nature

These snails are beginner-friendly and adaptable.

Care guidelines:

• Diet: Algae, biofilm, leftover food, blanched vegetables
• Tank size: 5+ gallons
• Water: Stable, clean freshwater
• Temperature: Moderate tropical range
• Calcium: Important for healthy shell growth

Providing calcium helps maintain strong, healthy shells.

Ideal For

• Planted aquariums (with hardy plants)
• Cleanup crews and algae control
• Community tanks
• Beginner aquarists
• Low-maintenance aquarium systems

They are a great addition for both function and visual appeal.

A Bold & Functional Aquarium Companion

Colombian Ramshorn Snails offer the perfect mix of utility and personality. With their large, spiraled shells and active cleaning habits, they help maintain a balanced aquarium while adding a unique visual element.

Add them to your tank and enjoy a hardworking, eye-catching invertebrate that keeps your aquarium clean and lively. 🐌🌿✨