Box Snail

Heliacus sp

Saltwater Invertebrate Species Group: Snail Family: Architectonicidae

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Water parameters

Temp 76-80 F Temperature

Maintaining a stable and appropriate temperature is critical for the survival of aquatic life.

pH 7.8 - 8.4 potential of Hydrogen

Measuring the acidity or alkalinity of water on a 0–14 scale, where 7 is neutral, 7 is alkaline.

NO3 1-20 ppm Nitrate

While less toxic than ammonia, high nitrate levels (above 40–80 ppm) are important to monitor because they can cause fish stress, stunted growth, and harmful algae blooms.

NO2 <0.0001 ppm Nitrite

It is a highly toxic, intermediate compound in the nitrogen cycle produced from broken-down ammonia

PO4 0.01 - 0.1 ppm Phosphate

It is essential for plant development but must be managed, as excess levels trigger nuisance algae blooms and inhibit coral calcification.

NH3 <0.1 ppm Ammonia

It is the primary killer of aquarium fish, causing gill damage, stress, and death

Ca 380 - 450 ppm Calcium

Supporting the growth, skeletal structure, and shell formation of corals, mollusks, crustaceans, and coralline algae

KH 8 - 12 dKH Alkalinity

It acts as a shield, neutralizing acids to prevent dangerous pH "crashes" that can harm fish, corals, and plants.

Mg 1200 - 1400 ppm Magnesium

It enables coral growth by supporting skeletal formation, assists in metabolic processes, and ensures that calcium is available for corals, clams, and coralline algae.

SG 1.023 - 1.026 SG Salinity

Essential for maintaining stable, natural water parameters, proper osmoregulation, and stress-free environments for marine fish and corals

ORP 250 - 400 mV Oxidation-Reduction Potential

A higher positive mV indicates clean, oxygen-rich water with high water quality, while low readings indicate high pollution.

About Box Snail

General information

The Box Snail may look unique and beautiful but keep in mind it is a predatory hitchhiker is commonly found on colonies of zoanthids. A unique characteristic of this snail is it has a cone-shaped operculum, which it uses to cover itself when retracted in the shell. The design on the shell is also quite unique and looks like groups of black and white ropes bound together.

If your colony of zoanthid is not doing well, you may want to inspect them and make sure that you do not find any of the snail in them. 

If you find them in your tank the best way to get them out of your tank is to manual removal them. Inspect zoanthid colony further for smaller snails. Also, any newly acquired zoanthid colony should be inspected prior to system introduction.

 

Diet & nutrition

The Box Snail feeds off of Zoanthid and Palythoa.

Breeding & spawning

Box Snails are asexual so all you need is one to infest your tank. They lay their egg on the base of the polyps so when their young spawn they are close to their food source.

Cautions

Box Snails feed off of Zoanthid and Palythoa and can reproduce quickly.

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