Nerite Snail

Neritina natalensis

Also known as: Zebra Nerite, Tiger Nerite

The best algae-eating snail that won't overrun your tank — it can't breed in freshwater.

Water

Freshwater

Temperature

72–80°F

pH

7–8.5

Hardness

6–20 dGH

Max size

1 in

Min tank

5 gal

Temperament

Peaceful

Social

Solitary

Swim level

Bottom

Diet

Herbivore

Care level

Beginner

Lifespan

1-2 years

Breeding

Egg-layer

Suitability

Common

Origin

East Africa

Nerites are champion algae grazers whose larvae require brackish or salt water, so they never become a pest in a freshwater tank. They may lay harmless white eggs on hard surfaces, and prefer harder water for healthy shells.