Paludomus loricatus (Bella Algae Snail)

23 March 2026

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The Bella Algae Snail (Paludomus loricatus) is a striking, peaceful freshwater snail native to the fast-flowing streams of Sri Lanka. Known for its heavily textured, gold and black-striped shell and voracious appetite for algae, it makes a unique and highly functional addition to established, well-oxygenated planted aquariums.

Overview

The Bella Algae Snail, scientifically known as Paludomus loricatus, is an exceptional and visually striking freshwater snail. Highly valued for its algae-eating capabilities, this peaceful invertebrate is a fantastic addition to freshwater community tanks, bringing both utility and unique aesthetics to the aquatic environment.

Image of bella algae snail paludomus loricatus

Distribution and Habitat

Endemic to the island nation of Sri Lanka, the Bella Snail is naturally found in fast-flowing, highly oxygenated hill streams and rivers. They prefer rocky substrates where they can graze on naturally occurring algae and biofilm in pristine, clear waters.

Description of Bella Algae Snail

As seen in the images, the Bella Algae Snail boasts a thick, robust shell with distinct spiral ridges and a slightly truncated or blunted apex. The shell features a beautiful golden to yellowish-brown base color, heavily patterned with dark brown to black vertical stripes or bands. The snail's body is predominantly dark grey or black, highlighted by striking, bright orange spots located near the base of its eye stalks.

Keeping and Caring for Bella Algae Snail

These snails require well-oxygenated, clean water with moderate to high flow to mimic their natural riverine habitats. A mature tank with plenty of surface area for algae growth is ideal. Because they are known to occasionally explore above the water line, a tight-fitting aquarium lid is recommended to prevent them from crawling out.

Tank size:

A minimum tank size of 10 to 15 gallons is recommended to provide enough grazing surface and stable water conditions for a small group.

Water Parameters:

Temperature

72°F to 82°F (22°C - 28°C) is optimal for their metabolism and overall health.

pH

7.0 to 8.0. Slightly alkaline water is crucial to prevent the erosion of their thick, textured shells.

Hardness

Moderate to hard water (GH 8-15+) with ample calcium is required for proper shell maintenance and growth.

Ammonia, Nitrite, Nitrate

Ammonia and Nitrite must be strictly at 0 ppm. Nitrates should be kept low, ideally below 20 ppm, through regular water changes and careful tank maintenance.

Feeding the Bella Algae Snail

The Bella Snail is a voracious algae eater, constantly grazing on diatoms, soft green algae, and biofilm on glass, rocks, and decorations. In a pristine tank or one with a large snail population, their diet must be supplemented. Offer high-quality algae wafers, spirulina pellets, and blanched vegetables such as zucchini, spinach, or cucumber to ensure they do not starve.

Breeding Bella Algae Snail

Unlike many common pest snails, the Bella Algae Snail is notoriously difficult to breed in the home aquarium. There are virtually no successful reports of them multiplying in standard freshwater setups, making them an excellent choice for aquarists who want dedicated algae control without the risk of a snail population explosion.

Conclusion

With its stunning shell patterns, fascinating orange eye-spots, and peaceful demeanor, the Bella Algae Snail is a top-tier choice for freshwater aquariums. It serves as an incredibly effective, non-invasive cleanup crew member that will keep your tank looking pristine while adding a touch of natural beauty.

Snail info

Temperature : 72°F - 82°F (22°C - 28°C)
pH: 7.0 - 8.0
Color Form: Gold

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