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Zebra Nerite Snail (Neritina natalensis)

Zebra Nerite Snail (Neritina natalensis)

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Description
Freshwater Snails

Zebra Nerite Snail

The most widely kept Nerite in the hobby, with bold alternating black and yellow stripes running cleanly around the shell. An exceptional algae grazer that cannot breed in freshwater and stays completely shrimp safe.

Bold Black & Yellow Zebra Stripes Neritina natalensis Cannot Breed in Freshwater Most Popular Nerite in the Hobby Continuous Algae Grazer Shrimp Safe

Zebra Nerite Snails (Neritina natalensis) are the most commonly kept and most widely recommended freshwater Nerite in the hobby, and for good reason. The shell is covered in bold, clearly defined alternating black and yellow stripes that run along the length of the shell in a consistent, eye-catching pattern -- the most graphically striking of any common Nerite species. Beyond appearance they are exceptional algae grazers that move continuously across glass, hardscape, substrate, and plant surfaces consuming algae films and biofilm with a thoroughness that few other invertebrates match. Like all Nerites they cannot complete their reproductive cycle in freshwater, making population control a complete non-issue. Fully safe with all shrimp at every life stage. Hardy, adaptable, and suitable for virtually any freshwater setup from nano tanks to large planted aquariums. GH 6+ and pH above 7.0 for long-term shell health.

Shell, Stripes & Size

Bold alternating black and yellow stripes running consistently around the shell. The Zebra Nerite's shell pattern is one of the most immediately recognisable in the freshwater hobby. The stripes are clearly defined, running in parallel bands along the length of the rounded shell from the spire to the aperture, with the contrast between the deep black and bright yellow reading as graphic and striking at normal tank-viewing distance. The pattern is consistent between individuals -- unlike the Batik or King Koopa Nerite where every shell is unique, Zebra Nerites all display the same fundamental striped arrangement, which makes them read as a cohesive visual element when kept in a group. Rounded, smooth shell profile up to approximately 1 inch at maturity. The shell is ovoid and smooth with a low spire, sitting comfortably between the flattened helmet profile of the Black Military Helmet Snail and the taller conical profiles of some other Nerite species. At up to 1 inch in diameter it is clearly visible at tank-viewing distance and large enough to be an individual point of visual interest rather than a background detail. One of the most visually recognisable aquarium invertebrates available. The Zebra Nerite's bold striping makes it immediately identifiable and is the reason it has remained the entry-point Nerite for most hobbyists for decades. In a shrimp tank context its clear yellow-and-black colouration pairs particularly well with red and orange Neocaridina morphs where the colour contrast between shrimp and snail is immediately apparent.

Algae Grazing & Husbandry

Exceptional broad-spectrum algae grazer across all tank surfaces. Zebra Nerites graze constantly across glass, hardscape, driftwood, plant leaves, and substrate, consuming soft green algae, brown diatom films, biofilm, and fine organic deposits. They are particularly effective on glass panels and smooth hardscape where algae films accumulate fastest. In a tank with a healthy Zebra Nerite population the front glass stays clean with minimal manual intervention. Cannot breed in freshwater, population is completely stable. Like all Nerite species, Zebra Nerites require brackish water for larval development. Small white egg capsules will appear on hardscape, glass, and plant surfaces in a freshwater tank -- these are a minor cosmetic nuisance but will not hatch. Population control requires no intervention whatsoever. White egg capsules are a normal and expected part of keeping Zebra Nerites. Of all Nerite species, Zebra Nerites are among the most prolific egg layers in freshwater. The capsules are hard, white, and roughly sesame-seed sized, deposited on any available hard surface. They do not dissolve on their own and must be scraped off if appearance matters. This is the primary aesthetic trade-off of keeping Zebra Nerites and worth knowing in advance. GH 6+ and pH above 7.0 for shell integrity and stripe clarity. Adequate calcium keeps the shell smooth and the stripe contrast crisp. In soft or acidic water the shell surface erodes over time, dulling the striping and thinning the shell. Maintain GH 6+ and supplement with cuttlebone in softer water. Standard Neocaridina parameters are ideal. Safe with all Neocaridina and Caridina shrimp. Cover the tank, keep water line low. Zebra Nerites climb and will exit the water through any gap. Keep the water line at least 5 to 7cm below the rim or use a fitted lid. A snail found outside and returned promptly recovers; one left out for more than a few hours will not. Stock 1 per 10L and supplement feeding in new or clean tanks. In an established tank with consistent algae growth no supplemental feeding is needed. In newer or very clean tanks supplement with algae wafers or blanched vegetables. Sensitive to elevated nitrates -- keep below 20 ppm with regular water changes.
Keeper's Note

Three to five Zebra Nerites in a planted shrimp tank with dark substrate is one of the most reliable and visually satisfying combinations in the hobby. The bold striping reads clearly against dark substrate and green planting, the snails keep the glass cleaner than almost anything else available, and their complete inability to reproduce in freshwater means the population stays exactly where you put it. If you are keeping Fire Red Cherry or Sunkist shrimp, the yellow-and-black of the Zebra Nerite picks up the warm tones of the shrimp without competing with them visually.

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Before placing your order, please review our DOA Policy Shipping Info
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Policies & Disclaimers
Before you order · Snails

Policies & Disclaimers

What to expect from your snails, how our guarantee works, and what to do when your order arrives.

Size & appearance

Snail size varies by species and individual. Refer to the listing and selected option for any stated purchase size. Adult or maximum sizes in care information describe growth potential, not a guaranteed size on arrival. Photos represent the species or color variety rather than the exact animals you will receive.

Shells, colors & markings

Shell shape, color, pattern and body coloration vary between individuals and with age. Lighting and aquarium conditions can affect how colors appear. Follow the mineral and water requirements in the species listing to support shell health. Photograph any concerning shell damage on arrival and report it promptly under the Live Arrival Guarantee.

Inactivity after shipping

Snails may remain withdrawn or inactive after shipping and can take several days to settle. Lack of movement alone does not confirm that a snail has died. Do not force a snail out of its shell. If you are concerned about its condition, photograph the unopened packaging and email us within two hours of the carrier’s recorded delivery time. Report the concern promptly even if the snail may simply be inactive; waiting several days does not extend the claim window.

Reproduction & eggs

Reproductive behavior differs by species. Some snails can reproduce readily in freshwater; others have different requirements for successful reproduction. Egg laying is not the same as successful hatching. Read the species listing before purchase rather than assuming all snails will, or will not, reproduce in your aquarium. We do not sex snails. No particular sex, male-to-female ratio or breeding pair is guaranteed.

Feeding & compatibility

Snails have different diets and habitat requirements. Do not assume every species eats algae or can live on algae alone. Assassin snails prey on other snails and are not suitable companions for a collection of ornamental snails. Use the care and compatibility information for the specific species, and check that tankmates will not injure or eat it.

Recognizing activity without forcing a response

A snail may stay retracted after shipping or become active when you are not watching. Some species have a shell door, called an operculum, while others do not; a closed shell or an unfamiliar resting position is not enough by itself to identify a loss.

Do not pull on the body, pry a shell door open or repeatedly handle a snail to make it move. If its condition concerns you, document the unopened bag and contact us within the two-hour window. The possibility of delayed activity does not change the policy’s deadline or turn an unconfirmed loss into an approved claim.

Shell appearance & damage documentation

Shell patterns, growth lines, surface texture and body colors vary with species and age. A photograph of one individual cannot show every pattern you might receive. Natural variation and a concern about physical damage are different questions.

Photograph cracks, chips, erosion or other areas that worry you, together with a wider view and the shipping label. Do not scrape, polish or alter the shell to improve the photo. Report concerning arrival damage promptly rather than assuming it must be accepted or automatically qualifies for a particular resolution.

For ongoing shell health, follow the species’ water and mineral requirements. Measure your water before adding supplements, and avoid treating all snail species as having identical needs.

Eggs, young & population expectations

We do not sex snails, and packs are not assembled to a male-to-female ratio. Snail reproductive biology varies: some species have separate sexes, while others have both reproductive functions. Do not interpret an unsexed pack as a promise that breeding cannot occur.

Ramshorn and bladder snail populations can grow in freshwater, particularly when food is plentiful. Nerites may leave eggs on hard surfaces even though successful development has different requirements from the adults’ freshwater habitat. Check the individual species rather than assuming every egg will hatch or that every snail reproduces in the same way.

A group is not a guaranteed breeding colony. The number and appearance of offspring, or the absence of eggs, cannot be predicted from representative product photos.

Feeding, predators & acclimation

Match the diet to the species. Grazing snails still need an adequate food supply, and an apparently clean aquarium may not provide enough natural grazing. Predatory species such as assassin snails have different feeding and compatibility needs from algae grazers.

Keep ornamental snails away from animals likely to bite their exposed bodies or damage their shells. Follow the specific species’ habitat and acclimation guidance, and check that any treatment used in the aquarium is appropriate for snails.

Quarantine or separate observation can help you inspect new arrivals and their behavior before adding them to an established aquarium. It is care guidance, not an extra claim requirement; follow the arrival documentation rules before transferring animals.

Bonus animals & your paid count

When inventory allows, our policy provides one bonus animal for every five ordered of the same species. Bonuses are discretionary and are not separately covered for refund or replacement. They count toward the total arriving alive when assessing whether your paid quantity was fulfilled.

For example, if you order 10 snails and receive 12, receiving 11 alive fulfills the paid count. If fewer than 10 arrive alive, the shortfall is assessed under the guarantee. Expected bonuses that were not included are not a paid-item shortage.

Checking quantities & reporting a short count

Check the actual animals received against your paid order quantity. For a suspected short count, the full policy calls for a clear counting photo showing all animals, the empty bag and the shipping label before they are introduced into an aquarium. Follow its counting instructions and contact us if you cannot document the count clearly.

Verified miscount claims are resolved with a refund for the missing paid animals under the current policy. A count made after release can be unreliable when animals hide among plants or hardscape.

Before opening: photographs & your first report

Use the email address on the original order and include all arrival concerns in the initial message to support@superiorshrimpaquatics.com within two hours of the carrier’s recorded delivery time. Photograph the sealed bag, visible and countable animals, shipping label, box and packing materials.

If the bag is leaking or damaged, photograph the leak or damage and wet packing before opening. Keep the original photographs and packaging. For cloudy water that prevents counting, take the original cloudy-water photo first and follow the full policy’s specific additional clear-container documentation instructions.

The guarantee contains restrictions on opening bags, acclimation and transfers. Review those instructions before taking action so the evidence needed to assess the claim is preserved.

Arrival problem? Document it promptly.

Email support@superiorshrimpaquatics.com within two hours of the carrier’s recorded delivery time, using the email address on your order.

  • Photograph the original sealed bag with the animals visible and countable.
  • Include the shipping label, outer box and packing materials.
  • Document any bag damage or leakage before opening.
  • Report all arrival losses in your initial message.

Read the full guarantee for photo requirements, cloudy-water documentation and claim eligibility before opening or transferring animals. Approved claims are resolved under the options and conditions stated there.

Shipping & coverage limits

Ground shipping carries increased risk for live animals, and the policy reserves the right to refuse guarantee claims on ground shipments. Choose your shipping method carefully.

The guarantee applies to the first delivery attempt. Redirection, pickup holds and carrier delays can affect eligibility under the full policy. Any product-specific coverage restrictions stated in a listing also apply.

Hitchhikers & quarantine

Live aquatic products can carry tiny hitchhikers or eggs despite inspection. Pest-free arrival is not guaranteed. We recommend quarantining new arrivals before introducing them into an established aquarium.

Returns

Care guidance in this tab does not create additional guarantee requirements or exclusions. Please read the full policies for complete eligibility, documentation, resolution and return requirements.

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