Melanoides maculata (Black Lace Snail)

26 March 2026

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Discover the Black Lace Snail (Melanoides maculata), a striking and industrious addition to any freshwater aquarium. Known for its elegant, elongated dark shell, this peaceful substrate-sifter tirelessly aerates the sand while consuming detritus and uneaten food, making it an invaluable cleanup crew member for planted tanks.

Overview

The Black Lace Snail, scientifically known as Melanoides maculata, is a highly beneficial freshwater snail closely related to the well-known Malaysian Trumpet Snail. Prized for its dark, textured shell and exceptional substrate-cleaning abilities, this species is a favorite among planted tank enthusiasts. They spend the majority of their time burrowing through the substrate, which prevents dangerous anaerobic gas pockets from forming and keeps the aquarium environment healthy.

Image of black lace snail melanoides maculata

Distribution and Habitat

Native to the slow-moving streams, rivers, and coastal estuaries of Southeast Asia and the Indo-Pacific region, these snails are highly adaptable. In the wild, they inhabit areas with soft, sandy, or muddy substrates where they can easily burrow and forage for decaying plant matter and microscopic organisms.

Description of Black Lace Snail

The Black Lace Snail boasts a distinctively elongated, conical shell that spirals to a sharp point. Unlike standard trumpet snails, the Melanoides maculata features a rugged, highly textured shell with a deep black to rich charcoal-brown coloration, giving it a "lace-like" intricate appearance. They typically grow to about 1 to 1.5 inches in length. Their dark coloration provides excellent camouflage against dark substrates and aquatic soils.

Keeping and Caring for Black Lace Snail

Caring for the Black Lace Snail is relatively straightforward, making them suitable for beginners and experienced aquarists alike. They are peaceful, completely plant-safe, and will not bother fish or shrimp. Providing a soft substrate like sand or fine gravel is crucial, as coarse or sharp gravel can damage their shells during burrowing.

Tank size:

A minimum tank size of 5 to 10 gallons is sufficient for a small group of Black Lace Snails. Because they reproduce in the aquarium, ensuring adequate space and not overfeeding the tank will help manage their population.

Water Parameters:

These snails are hardy but thrive best in stable, well-oxygenated water. They require slightly alkaline water with enough mineral content to maintain their thick, textured shells.

Temperature

They prefer tropical temperatures ranging from 72°F to 82°F (22°C - 28°C).

pH

A pH level between 7.0 and 8.5 is ideal. Acidic water (below 7.0) should be avoided as it can slowly dissolve and erode their shells.

Hardness

Moderate to hard water is highly recommended. Aim for a General Hardness (GH) of 8 to 15 dGH to ensure they have enough calcium for healthy shell growth.

Ammonia, Nitrite, Nitrate

Ammonia and Nitrite must always be at 0 ppm. Nitrates should be kept below 20 ppm through regular water changes. Like all aquatic invertebrates, they are highly sensitive to copper-based medications and fertilizers.

Feeding the Black Lace Snail

Black Lace Snails are phenomenal scavengers. They will happily consume leftover fish food, decaying plant matter, soft algae, and biofilm. To supplement their diet and ensure optimal shell health, you can offer them sinking algae wafers, bottom feeder pellets, and calcium-rich blanched vegetables such as zucchini, spinach, or cucumber.

Breeding Black Lace Snail

Like many snails in the Thiaridae family, the Black Lace Snail is parthenogenetic, meaning females can reproduce without a male. They are livebearers, releasing fully formed miniature snails into the substrate. They breed readily in the home aquarium; however, their population size is directly tied to the amount of available food. Overfeeding the aquarium is the most common cause of a population explosion.

Conclusion

The Black Lace Snail is a beautiful, low-maintenance, and incredibly useful invertebrate for the freshwater aquarium. By naturally aerating the substrate and breaking down waste, they play a vital role in maintaining a balanced ecosystem. Their unique dark, textured shells make them a visually appealing addition to any planted tank.

Snail info

Temperature : 72°F - 82°F (22°C - 28°C)
pH: 7.0 - 8.5
Color Form: Black

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