โ† Fish Database Invertebrate Easy

Nerite Snail
Neritina sp.

The best algae-eating snail for aquariums. Cannot breed in freshwater, so they won't overrun your tank. Available in many attractive shell patterns. Need harder water with adequate calcium for shell health.

๐Ÿ“ Size: 2.5 cm
๐Ÿ  Tank: 5 gal
๐ŸŒก๏ธ Temp: 20โ€“27ยฐC
โญ Easy

Quick Stats

Adult Size2.5 cm
Minimum Tank5 gal
Temperature20โ€“27ยฐC
pH Range7.0โ€“8.0
Hardness (GH)8โ€“18 dGH
DifficultyEasy
TemperamentPeaceful
DietHerbivore โ€” algae, biofilm on glass, driftwood, and rocks
Schooling2โ€“4 per 10 gal

Tank Setup

The Nerite Snail (Neritina sp.) requires a minimum tank size of 5 gal. For a species this size, a larger tank is always better โ€” more water volume means more stable parameters and a healthier environment.

Water parameters should be maintained within the following ranges: temperature 20โ€“27ยฐC, pH 7.0โ€“8.0, and hardness 8โ€“18 dGH. These are relatively tolerant fish that adapt to a range of conditions.

Provide appropriate hiding places, a suitable substrate, and open swimming space to match the natural behaviour of this species.

Tank Mates

Nerite Snail are peaceful fish. They work well in community tanks with similarly-sized peaceful species.

Compatible tank mates include: All Peaceful Fish, Cherry Shrimp, Amano Shrimp, Corydoras, Betta Fish. Avoid housing with aggressive or much larger fish.

Schooling requirements: 2โ€“4 per 10 gal.

Diet & Feeding

Nerite Snail are Herbivore. Their diet should reflect their natural feeding habits.

Herbivore โ€” algae, biofilm on glass, driftwood, and rocks

Feed small amounts 1โ€“2 times daily. Only provide what the fish can consume within 2โ€“3 minutes to prevent overfeeding and water quality issues.

Common Health Issues

Like all aquarium fish, Nerite Snail can be susceptible to common diseases including ich (white spot disease), fin rot, and bacterial infections. This species is generally hardy and disease-resistant when kept in good conditions.

Prevention is always better than treatment. Maintain stable water parameters, avoid overfeeding, quarantine new fish before adding them to the main tank, and perform regular water changes. A regular maintenance routine will prevent most health issues.

If disease does occur, isolate affected fish in a quarantine tank and treat appropriately. Always research medication compatibility before use โ€” some treatments are toxic to invertebrates and scaleless fish.

Breeding

Breeding Nerite Snail is possible in the home aquarium.

Provide appropriate breeding conditions โ€” planted areas with fine-leaved plants. Condition breeding pairs with high-quality foods before attempting to spawn them.

Many Nerite Snail will breed readily without intervention. Be prepared to remove eggs or fry if you want to raise them โ€” adult fish may eat their own young.

Frequently Asked Questions

What size tank does a Nerite Snail need?

A Nerite Snail needs a minimum tank size of 5 gal. However, larger is always better โ€” more water volume means more stable water parameters and healthier fish.

Are Nerite Snail easy to keep?

Nerite Snail are rated as Easy difficulty. Beginners can keep them successfully with proper research and a cycled tank.

What do Nerite Snail eat?

Nerite Snail are Herbivore. Feed a varied diet including algae, biofilm on glass, driftwood, and rocks.

Can Nerite Snail live with other fish?

Nerite Snail are peaceful. Compatible tankmates include: All Peaceful Fish, Cherry Shrimp, Amano Shrimp, Corydoras, Betta Fish. They work well in community tanks with similarly-sized peaceful fish.