Tarebia granifera (Quilted Melania / Nöppi Snail)

10 April 2026

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Meet the Nöppi snail, scientifically known as Tarebia granifera. This industrious, cone-shelled scavenger is an unsung hero of the aquarium hobby. Renowned for aerating the substrate and consuming detritus, the Quilted Melania keeps your tank spotless while remaining a peaceful, hardy, and fascinating addition to any freshwater community setup.

Tarebia granifera (Quilted Melania / Nöppi Snail)

Overview

The Tarebia granifera, commonly referred to as the Quilted Melania, Nöppi snail, or Gestreifte Turmdeckelschnecke, is a highly beneficial freshwater snail. Valued for its relentless work ethic, it spends most of its time burrowing through the substrate, preventing anaerobic gas pockets and keeping the aquarium floor pristine.

Image of gestreifte turmdeckelschnecke noeppi tarebia granifera

Distribution and Habitat

Native to Southeast Asia, including regions like India, Sri Lanka, and the Philippines, this species inhabits a variety of freshwater and slightly brackish environments. They are typically found in slow-moving rivers, streams, and lakes with sandy or muddy bottoms where they can easily burrow.

Description of Tarebia granifera

This snail features a conical, elongated shell that is thicker and slightly more robust than the common Malaysian Trumpet Snail. The shell boasts a beautifully textured, "quilted" or granular surface, which gives it its scientific name. Coloration ranges from light yellowish-brown to deep amber, often adorned with darker brown stripes or mottled patterns along the whorls.

Keeping and Caring for Tarebia granifera

Caring for the Nöppi snail is incredibly straightforward, making it an excellent choice for beginners and experts alike. They are peaceful, undemanding, and adapt well to a wide range of aquarium conditions.

Tank size:

A minimum tank size of 5 gallons is sufficient for a small population. However, because they burrow, a substrate of sand or fine gravel is highly recommended to allow them to exhibit their natural behaviors without damaging their shells.

Water Parameters:

Temperature

They thrive in tropical and subtropical temperatures ranging from 18 to 28 °C (64 to 82 °F).

pH

A slightly alkaline environment is ideal. Keep the pH between 7.0 and 8.5 to prevent shell erosion.

Hardness

Moderate to hard water (GH 8-20) is required to provide the essential calcium and minerals needed for proper shell growth and maintenance.

Ammonia, Nitrite, Nitrate

Like all aquatic life, they require 0 ppm Ammonia, 0 ppm Nitrite, and Nitrate levels kept below 20-30 ppm through regular water changes.

Feeding the Tarebia granifera

These snails are exceptional scavengers. They will happily consume uneaten fish food, decaying plant matter, soft algae, and detritus found in the substrate. To supplement their diet, you can offer sinking pellets, algae wafers, and blanched vegetables like zucchini or spinach.

Breeding Tarebia granifera

Breeding is effortless, as Tarebia granifera is parthenogenetic, meaning a single female can reproduce without a male. They are livebearers, releasing fully formed miniature snails into the substrate. Their population size is directly correlated to the amount of food available; overfeeding the tank will lead to a rapid population explosion.

Conclusion

The Gestreifte Turmdeckelschnecke or Nöppi snail is a fantastic, low-maintenance addition to almost any freshwater aquarium. By acting as a natural substrate aerator and a diligent cleanup crew member, it plays a crucial role in maintaining a healthy, balanced aquatic ecosystem.

Snail info

Temperature : 18 - 28 °C (64 - 82 °F)
pH: 7.0 - 8.5
Color Form: Brown

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