Neripteron tahitensis (Batman Snail)

21 March 2026

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Meet the Batman Snail (Neripteron tahitensis), an extraordinary freshwater and brackish water species famous for its unique, wing-like shell extensions. A fantastic algae eater, this peaceful snail adds a touch of the extraordinary to any aquarium while keeping your glass and hardscape meticulously clean without reproducing in freshwater.

Overview

The Batman Snail, scientifically known as Neripteron tahitensis, is a fascinating member of the Neritidae family. Renowned for its unique shell morphology that resembles the wings of a bat, this snail is an excellent addition to planted tanks and community aquariums. Like other nerite snails, it is highly valued for its voracious appetite for algae and its inability to overpopulate freshwater systems.

Image of batmanschnecke neripteron tahitensis

Distribution and Habitat

Originally found in the Indo-Pacific region, including areas around Tahiti, these snails inhabit coastal streams, estuaries, and river mouths. They are highly adaptable, spending time in both pure freshwater and brackish environments. In the wild, they typically cling to rocks and submerged wood where water currents are moderately strong.

Description of Neripteron tahitensis

The most striking feature of the Batman Snail is its shell. The shell is relatively flat and flares out dramatically at the sides, giving it a distinct "winged" or ear-like appearance. The coloration is generally dark, ranging from deep brown to almost black, sometimes with subtle olive undertones. They are relatively small, usually reaching a maximum size of about 2 to 3 centimeters in diameter.

Keeping and Caring for Neripteron tahitensis

Caring for the Batman Snail is straightforward, making it suitable for both beginners and experienced aquarists. They are peaceful and will not bother tank mates or consume healthy plants.

Tank size:

A minimum tank size of 5 to 10 gallons is recommended. Because they are highly active algae grazers, larger tanks with more surface area for biofilm and algae growth are ideal.

Water Parameters:

Maintaining stable water conditions is crucial for the health of their unique shells.

Temperature

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

pH

A slightly alkaline pH between 7.0 and 8.5 is required. Acidic water can erode their shells over time.

Hardness

Moderate to hard water (GH 6-20) is essential to provide the calcium necessary for shell maintenance and growth.

Ammonia, Nitrite, Nitrate

Like all aquatic life, they require 0 ppm Ammonia, 0 ppm Nitrite, and Nitrate levels kept as low as possible (ideally below 20 ppm).

Feeding the Neripteron tahitensis

Batman Snails are specialized herbivores that primarily feed on soft film algae, diatoms, and biofilm found on glass, rocks, and decorations. They usually ignore commercial fish food. If the tank is too pristine, their diet must be supplemented with high-quality algae wafers, spirulina powder, or blanched vegetables like zucchini and spinach.

Breeding Neripteron tahitensis

One of the main appeals of the Batman Snail is that it will not overrun a freshwater aquarium. While females will lay small, white, sesame-seed-like eggs on hard surfaces, these eggs will not hatch in freshwater. The larvae require a brackish or marine environment to develop, making captive breeding in a standard freshwater setup impossible.

Conclusion

The Neripteron tahitensis or Batman Snail is a visually captivating and highly beneficial cleanup crew member. Its distinctive shape, peaceful nature, and excellent algae-eating capabilities make it a prized specimen for any freshwater or brackish aquarium.

Snail info

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

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