Thiara cancellata (Hairy Trumpet Snail)

19 April 2026

803

Add a touch of the exotic to your aquarium with the Hairy Trumpet Snail (Thiara cancellata). Instantly recognizable by the fascinating, hair-like spikes adorning its spiraled shell, this peaceful scavenger is a master of substrate aeration. It works tirelessly to consume detritus while remaining a visually striking, low-maintenance addition.

Overview

The Hairy Trumpet Snail, scientifically known as Thiara cancellata, is a truly unique freshwater invertebrate highly prized in the aquarium hobby. Unlike the common Malaysian Trumpet Snail, this species boasts a fascinating shell covered in prominent, bristle-like spikes. These peaceful snails are exceptional additions to community tanks, acting as a diligent cleanup crew that spends much of its time burrowing through the substrate, which helps prevent deadly anaerobic gas pockets from forming.

Image of hairy trumpet snail thiara cancellata

Distribution and Habitat

Native to the tropical and subtropical regions of Southeast Asia, including the Philippines and Indonesia, Thiara cancellata is typically found in fast-flowing streams, rivers, and estuaries. They inhabit areas with sandy or muddy substrates where they can easily burrow to hide from predators and forage for decaying plant matter and microscopic organic debris.

Description of Hairy Trumpet Snail

The most striking feature of the Hairy Trumpet Snail is its heavily textured, conical shell. The shell is deeply grooved with spiral ridges and ranges in color from warm amber to yellowish-brown and dark brown. Protruding from the whorls are distinct, dark, hair-like spikes (spines). These "hairs" are actually specialized extensions of the periostracum (the outermost protein layer of the shell). The snail's body is dark with lighter, intricate speckling. It is completely normal for older specimens to have slightly eroded apexes (the tip of the shell) or broken bristles due to natural wear and tear.

Keeping and Caring for Hairy Trumpet Snail

Caring for the Hairy Trumpet Snail is relatively straightforward, making it suitable for both beginners and experienced aquarists. Because of their burrowing nature, a soft substrate like fine sand or smooth, small-grain gravel is highly recommended. Coarse or sharp substrates can damage their delicate bodies and break off their signature shell spikes. They are entirely peaceful and will not bother fish, shrimp, or other snails.

Tank size:

A minimum tank size of 10 gallons is recommended. This provides enough substrate surface area for foraging and ensures stable water parameters.

Water Parameters:

Like most snails, Thiara cancellata requires stable water conditions. They do best in slightly alkaline, hard water, which provides the essential calcium needed for healthy shell growth and to prevent the degradation of their unique spikes.

Temperature

Maintain a tropical environment with temperatures ranging between 72°F and 82°F (22°C - 28°C).

pH

A pH level of 7.0 to 8.2 is ideal. Acidic water (below 7.0) will cause their shells to dissolve and pit over time.

Hardness

Moderate to hard water is required. Aim for a General Hardness (GH) of 8 to 15 dGH.

Ammonia, Nitrite, Nitrate

Ammonia and Nitrite must always be at 0 ppm. Nitrates should be kept as low as possible, ideally below 20 ppm. They are also highly sensitive to copper-based medications and plant fertilizers containing heavy metals.

Feeding the Hairy Trumpet Snail

These snails are natural scavengers and detritivores. In a mature aquarium, they will feed on leftover fish food, decaying plant matter, biofilm, and soft algae present on the substrate and glass. However, their diet should be supplemented to ensure they receive adequate nutrition and calcium. Offer them sinking algae wafers, bottom-feeder pellets, and blanched vegetables such as zucchini, spinach, or cucumber. Adding a calcium supplement or providing cuttlebone in the filter will help maintain their impressive shells.

Breeding Hairy Trumpet Snail

The Hairy Trumpet Snail is a parthenogenetic livebearer, meaning that females can reproduce without the presence of a male, and they give birth to fully formed, miniature live young rather than laying eggs. While this sounds like a recipe for overpopulation, Thiara cancellata reproduces at a significantly slower rate than the common Malaysian Trumpet Snail. Population explosions are rare and usually only occur if the tank is severely overfed.

Conclusion

The Hairy Trumpet Snail is an outstanding and visually captivating addition to the freshwater aquarium. Not only do they provide a unique aesthetic with their spiky, textured shells, but they also offer invaluable tank maintenance by aerating the substrate and consuming waste. Peaceful, completely plant-safe, and easy to care for, Thiara cancellata is a highly recommended invertebrate for any community setup.

Snail info

Temperature : 72°F - 82°F (22°C - 28°C)
pH: 7.0 - 8.2

Related on Snails

Leave your comments

Latest on Snails

Thunderbolt Snail (Tylomelania perfecta)

The Thunderbolt snail is a large, attractive freshwater gastropod associated with Sulawesi’s distinctive Tylomelania fauna. It has a long, heavy shell and a dark, strongly textured body, and it usually spends much of its time grazing surfaces or searching through the substrate. Aquarium specimens should receive stable, mineral-rich water, regular vegetable or prepared foods, and protection from copper-based medications. Trade identification can be difficult because several Tylomelania species and forms are sold under overlapping common names.
Staghorn Sun Snail (Clithon corona)

The Staghorn Sun Snail, Clithon corona, is a horned nerite from tropical Indo-Pacific waters. Its ridged shell and prominent projections make it distinctive, although shell color and horn development vary considerably. It grazes algae and biofilm from hard surfaces while generally leaving healthy plants alone. Adults can live in freshwater aquariums, but their marine or brackish larval stage means sustained captive breeding is uncommon. Identification from photographs alone can be uncertain because several Clithon and related nerite species have similar forms.
Swamp cover snail (Viviparus viviparus)

Viviparus viviparus is a temperate freshwater operculate snail associated with lakes, canals, ponds, and slow-flowing waters. It is a grazing and suspension-feeding species that consumes algae, fine organic particles, and other small food resources. The supplied photographs appear to show terrestrial snails rather than Viviparus viviparus, so they should not be used for identification. Aquarium specimens require cool, well-oxygenated water, adequate mineral availability, and careful feeding to prevent poor water quality.
Staghorn Snails Mix

Staghorn snails are a trade mix of small horned nerite snails, usually associated with Clithon species in the family Neritidae. The supplied images show several shell patterns and colors, so exact species identification is uncertain. They graze algae and biofilm from aquarium surfaces without normally damaging healthy plants. Adults may lay eggs in freshwater, but their larvae generally require brackish or marine conditions, making sustained freshwater breeding unlikely.
Red Widow Rennschnecke (Vittina waigiensis)

Vittina waigiensis is a nerite snail kept for its grazing activity and striking red shell forms. It is generally peaceful, plant-safe and suited to mature freshwater aquariums with stable, mineral-rich water. Like other amphidromous nerites, it may lay eggs in freshwater, but its larvae normally require brackish or marine conditions, so routine freshwater breeding is not expected. The trade name “Red Widow” may cover a selectively colored form rather than a formally recognized taxonomic variety.
Red racing snail (Vittina waigiensis)

The red racing snail, Vittina waigiensis, is a striking nerite kept mainly for grazing algae from aquarium glass, rocks and decor. Adults are generally peaceful, plant-safe and suited to mature freshwater aquariums, but successful captive breeding is uncommon because the larvae require different conditions from the adults. Shell colors and markings vary considerably, and trade names can overlap with other nerite species, so identification from appearance alone is not completely certain.
Mixed Aquarium Snails: Algae Eaters and Clean-Up Crew

This mixed snail selection appears to include nerite-type algae grazers, ramshorn snails, and possibly Malaysian trumpet snails. Exact species and proportions cannot be confirmed from the supplied images, so care requirements may differ between batches. These peaceful invertebrates consume algae, biofilm, leftover food, and detritus, but they still need stable, mineral-rich water and responsible population management.
Red and Yellow Stripe Rennschnecke (Vittina waigiensis)

Vittina waigiensis is a striking nerite snail recognized by a rounded shell with red, yellow, orange, and dark patterning. It is primarily a freshwater grazer as an adult but has a life cycle that normally requires brackish or marine conditions for larval development. This makes it suitable for planted aquariums without normally becoming numerous. The supplied trade name and images are consistent with this identification, although shell patterns overlap among Vittina and related nerite species, so visual identification should be treated as provisional.
Ramshorn Snails Mix Rainbow

Rainbow ramshorn snails are a mixed-color freshwater aquarium form sold under a trade name rather than a single precisely identified species. The pictured animals have the characteristic planispiral shell and include blue, pink, pale and orange-red forms. They are peaceful scavengers that graze on biofilm and leftover food. Exact species and strain lineage cannot be confirmed from the supplied images alone, so care guidance is provided for commonly kept aquarium ramshorn snails.
Predatory Snail: Clea helena (Anentome helena)

Clea helena, also widely sold under the name Anentome helena, is a freshwater predatory snail from Southeast Asia. Its banded, cone-shaped shell and active hunting behavior distinguish it from common algae-grazing snails. It feeds mainly on other snails but also accepts meaty foods and carrion. In a mature aquarium it is generally safe with healthy plants, although it can reduce or eliminate desirable snail populations. Identification and classification may vary between sources, so both commonly used scientific names are included.
Pointed Mud Snail (Lymnaea stagnalis)

Lymnaea stagnalis, commonly called the pointed mud snail or great pond snail, is a freshwater pulmonate snail found in quiet, vegetated waters. Its tall, pointed shell and ability to breathe atmospheric air make it distinctive in aquaria. It can be a useful scavenger, but it reproduces readily when food is abundant. The supplied images are broadly consistent with this species, although photographs alone cannot confirm identification with complete certainty.
Pond post horn snail (Planorbarius corneus)

Planorbarius corneus is a European freshwater ramshorn snail found in ponds, lakes, marshes and slow-moving waters. Its large, planispiral shell and dark body make it a distinctive aquarium inhabitant, although the common name can be confused with other ramshorn snails. It is generally peaceful, useful as a scavenger and algae grazer, and manageable when food supplies are controlled.
Pimpled Lace Snail (Melanoides granifera)

The pimpled lace snail, Melanoides granifera, is a burrowing freshwater snail from the family Thiaridae. It spends much of its time in substrate, emerging to graze on biofilm, detritus and leftover food. Its ridged, patterned shell adds interest to planted aquariums, while its live-bearing reproduction can gradually increase its numbers. It is generally peaceful and plant-safe when adequately fed, but should be kept under observation because identification and appearance can vary among imported aquarium stock.
Pink ramshorn snail (Planorbella duryi duryi)

The pink ramshorn snail is a freshwater planorbid recognized by its flat, coiled shell and pink to reddish body. The supplied name identifies it as Planorbella duryi duryi, a subspecies associated with the southeastern United States, although shell color alone cannot confirm an exact identification. It is peaceful, air-breathing, and useful as a scavenger in planted aquariums. Like many ramshorns, it can reproduce quickly when excess food and organic debris are available.
Piano Snail (Taia naticoides)

Taia naticoides is a freshwater, live-bearing snail sold under names such as piano snail. It has a rounded, banded shell and is valued as a grazer of algae and aquarium biofilm. The supplied photographs resemble this trade identification, but images alone cannot confirm species, age, or whether the specimen is a juvenile. Good calcium availability, stable alkaline water, and regular access to natural or supplemental food are important for long-term care.
Piano Snail (Taia naticoides)

The piano snail, also sold as the brush algae snail, is a large freshwater operculate snail with a rounded, banded shell. Taia naticoides is associated with Southeast Asian freshwater habitats and is valued for grazing surface growth and consuming organic debris. Aquarium identification can be complicated because common names are applied inconsistently; confirm the species with a reliable supplier. It is generally peaceful, plant-safe and live-bearing, but it needs mineral-rich water and should not be treated as a solution for heavy algae growth.