Nerite Snail (Neritina sp.) in a planted freshwater aquarium
Peaceful Easy

Nerite Snail

Neritina sp.

Minimum Tank

5 Gallons

Adult Size

1 inches

Temperature

72-78°F (22-26°C)

pH Range

7.0-8.5

Lifespan

2 years

About Nerite Snail

Nerite snails are small, exceptionally effective algae-eating snails from the brackish and freshwater coastal habitats of tropical regions worldwide. They come in numerous attractive shell patterns including zebra, tiger, olive, horned, and red racer varieties, each with distinctive markings. Nerites are widely regarded as the best algae-eating snails available, methodically grazing every surface in the tank including glass, rocks, plants, and equipment without damaging live plants. A crucial advantage for aquarists is that nerite snails cannot reproduce in freshwater, as their larvae require brackish or saltwater to develop, preventing the population explosions that plague other snail species. Their efficient algae consumption and population control make them the most recommended snail for planted aquariums.

Care Requirements

Tank Setup

  • • Minimum 5-gallon tank required
  • • Temperature: 72-78°F (22-26°C)
  • • pH: 7.0 - 8.5
  • • Category: Snail

Diet & Feeding

  • • Diet type: Herbivore
  • • Feed 1-2 times daily
  • • Varied diet recommended

Tank Mate Compatibility

Compatible With

🐟 Most Fish
🐟 Shrimp
🐟 Other Snails

Avoid Keeping With

⚠️
Snail Eating Fish Not compatible
⚠️
Assassin Snails Not compatible

Care Tips

Expert Tips

Nerite snails are hardy algae eaters that do well in a range of conditions at 72-78°F with moderate to hard water for healthy shell maintenance. They prefer alkaline water with a pH above 7.0 and benefit from calcium supplementation through cuttlebone, mineral blocks, or crushed coral in the filter. While they cannot breed in freshwater, females will still lay small, white, sesame-seed-like eggs on hard surfaces that do not hatch but can be unsightly. These eggs are difficult to remove and are the main complaint about keeping nerites. Ensure adequate algae growth or supplement with algae wafers. Nerites may escape from uncovered tanks, so maintain a tight-fitting lid. Avoid copper-based medications.

Quick Facts

19L

Min Tank (5gal)

3cm

Adult Size (1")

2yr

Lifespan

1+

Can Keep Solo

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Frequently Asked Questions

What size tank does a Nerite Snail need?

A Nerite Snail needs a minimum tank size of 5 gallons (19 litres).

What water parameters does a Nerite Snail need?

Nerite Snail thrive in water between 72-78°F (22-26°C) with a pH of 7.0-8.5.

Are Nerite Snail easy to care for?

Nerite Snail are considered easy to care for. They are peaceful fish with a lifespan of about 2 years.

How big do Nerite Snail get and what do they eat?

Nerite Snail reach about 1 inch and are herbivores. Nerite snails are hardy algae eaters that do well in a range of conditions at 72-78°F with moderate to hard water for healthy shell maintenance. They prefer alkaline water with a pH above 7.0 and benefit from calcium supplementation through cuttlebone, mineral blocks, or crushed coral in the filter. While they cannot breed in freshwater, females will still lay small, white, sesame-seed-like eggs on hard surfaces that do not hatch but can be unsightly. These eggs are difficult to remove and are the main complaint about keeping nerites. Ensure adequate algae growth or supplement with algae wafers. Nerites may escape from uncovered tanks, so maintain a tight-fitting lid. Avoid copper-based medications.