Maximum size : 3 cm

Marbled Limpet Nerite Snail - Septaria porcellana : Complete Snail Profile & Care Guide

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The Marbled Limpet Nerite Snail (Septaria porcellana) is a small, fascinating, freshwater snail that has become increasingly popular in the aquarium trade due to its unique characteristics and impressive abilities.

One of the most notable features of the Marbled Limpet Nerite Snail is its striking appearance. These snails are a sight to behold with their base colour of greenish yellow and a fine black stripe pattern that looks like lace. They are also relatively small, typically reaching only about 3cm long, making them a great addition to any tank without taking up too much space.

But beyond its appearance, the Marbled Limpet Nerite Snail is also known for its impressive cleaning abilities. These snails have a voracious appetite for algae, which makes them a valuable addition to any aquarium with a high algae population. They can also consume biofilms and other debris, helping keep the tank clean and healthy.

In terms of behaviour, the Marbled Limpet Nerite Snail is quite docile and peaceful. They are well suited to community tanks and can coexist with various other aquatic species without issue. They are also quite active, constantly moving around the tank and searching for new food sources.

One of the best things about the Marbled Limpet Nerite Snail is that it is pretty hardy and easy to care for. As long as the tank is kept clean and the snail is fed a steady diet of algae and other foods, it should thrive in most freshwater environments.

Overall, the Marbled Limpet Nerite Snail is a fascinating and valuable addition to any freshwater aquarium. With its striking appearance, impressive cleaning abilities, and peaceful demeanour, it is sure to become a favourite among aquatic enthusiasts and casual observers alike.

Marbled Limpet Nerite Snail Photos

Sexual Dimorphism

The Marbled Limpet Nerite Snail exhibits very little sexual dimorphism, with males and females appearing almost identical in size and physical characteristics.

While it can be challenging to distinguish between males and females based on their external appearance, it is possible to differentiate the two by observing their reproductive organs. 

Male snails have a small penis-like structure that is used to fertilise the eggs of female snails. Female snails, on the other hand, have a small genital opening through which the male's sperm can enter to fertilise their eggs.

Quick Facts

Scientific NameSeptaria porcellana
Year Described1758
OriginsIndia , Philippines , Papua New Guinea
Max Size3 cm
Aquarium LevelAll Levels
DifficultyBeginner - Intermediate
Best kept asNA
Diet & FeedingHerbivore
ReproductionEgg Depositor
LifespanUp to 3 Years

Water Parameters

Water TypeFreshwater/Brackish
pH 7.0 - 8.0
GH 2 - 12
Ideal Temperature
73 - 82
23 - 28

Natural Habitat

The Marbled Limpet Nerite Snail is a unique and captivating freshwater snail with a geographic distribution spanning India to New Caledonia. These snails typically inhabit areas with moderate to high water flow and are commonly found in rocky or gravelly substrates where they can attach themselves and graze on algae and other forms of organic matter.

In the wild, these snails can be found in a diverse range of freshwater ecosystems, showcasing their adaptability to different environments. Additionally, the Marbled Limpet Nerite Snail has proven to be a versatile species capable of tolerating brackish water conditions, further expanding its range of potential habitats. Overall, the Marbled Limpet Nerite Snail is a remarkable species with a broad distribution and the ability to thrive in various natural settings.


Marbled Limpet Nerite Snails can lay multiple eggs in freshwater aquariums, but they will not hatch and can only be successful if you keep them in brackish water. Successful breeding is more probable with five snails or more; this makes the group more likely to contain both males and females.

If you plan to attempt breeding the Marbled Limpet Nerite Snails by yourself, the water salinity level will need to be around 1.007, and the temperature will need to be about 79 degrees Fahrenheit. Furthermore, these Snails breed best in tanks with other nerite snails and separate from other species.

Marbled Limpet Nerite Snails will start to lay eggs on hard surfaces within the tank if the conditions are right. The eggs will look like tiny white dots, are very hard, and gently stick to whatever they fall on. You can then either allow the eggs to hatch or scrape them off the surface and discard them.

Diet & feeding

If you're looking for a low-maintenance aquatic pet that can keep your aquarium's algae population in check, look no further than the Marbled Limpet Nerite Snail. These little creatures have a voracious appetite for biofilms and algae, making them a valuable addition to any tank with a high density of these plant materials.

While they can certainly survive on dried foods that contain plenty of plant matter, their preferred meals are the natural sources of algae and biofilms found on rocks and other decorative surfaces. Not only do these provide the most satisfying meals for our shelled friends, but they also help to keep your aquarium clean and healthy.

These snails won't harm plants in your tank as they consume their preferred foods. So if you're looking for a hassle-free way to keep your aquatic environment healthy and beautiful, the Marbled Limpet Nerite Snail is definitely worth considering.

Other Snails of interest