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Nerite snail (Neritina natalensis)
Photo: Reeve, 1855 · CC0 via Wikimedia Commons

Nerite snail

Neritina natalensis · Neritidae

Also known as Zebra nerite, Tiger nerite

Beginner

The most effective algae-cleaning snail; lays harmless white eggs that never hatch in fresh water.

In short: A nerite snail needs at least 20 L (5 US gal), water at 20–28 °C (68–82 °F) and pH 7–8.2. It is peaceful, usually kept singly, and rated beginner to keep.

Updated

Minimum tank
20 L (5 US gal)
Temperature
20–28 °C (68–82 °F)
pH
7–8.2
Adult size
2.5 cm (1 in)
Group size
1+

Care requirements

Minimum tank volume
20 L (5 US gal)
Temperature
20–28 °C (68–82 °F)
pH
7–8.2
Hardness
6–20 dGH
Lifespan
1–3 years
Diet
Herbivore — algae, biofilm, algae wafers, blanched veg.
Care level
Beginner

Origin & habitat

Native region
East African coastal rivers
Water type
Freshwater
Biotope
Hard-water streams near estuaries
Natural conditions
Hard alkaline water for shell health; no copper.

Behaviour & stocking

Temperament
Peaceful
Minimum group
1 fish
Swims
All levels
Good tank mates
Most community fish
Shrimp
Avoid
Loaches
Puffers
Copper medication
Soft acidic water

Breeding & difficulty

Breeding difficulty
Advanced
Sexing
Not visually sexable.
Notes
Larvae need brackish water; will not breed in fresh tanks.
Common ailments
Shell erosion in soft water
Starvation in spotless tanks
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