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Areola babylon snail

Babylonia areolata

An attractive scavenger snail that buries in the sand to emerge at night. It efficiently aerates the substrate and consumes detritus, requiring a deep sand bed and stable water parameters.

Taxonomy

Class:Gastropoda

Order:Neogastropoda

Family:Babyloniidae

Genus:Babylonia

Species:Babylonia areolata

Formerly known as:Babylonia aerolata

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Water Temperature

22 - 28 °C

pH Value

8.1 - 8.4

Water type

Marine

Invertebrate type

Marine snail

Adult size

7 cm

Minimum group

>= 1

Ecological role

Herbivore

Species description

Geographical Origin and Habitat:

Babylonia areolata is native to the warm waters of the Western Indo-Pacific, widespread in Southeast Asia, particularly Thailand and Vietnam. It lives on shallow sandy or muddy bottoms between 5 and 20 meters.

Taxonomy:

Belongs to the class Gastropoda, family Babyloniidae. It features a robust, egg-shaped conical shell equipped with a horny operculum, which allows the snail to seal itself inside for protection against predators.

Social Behavior:

A peaceful scavenger snail that is active at night. During the day, it remains completely buried in the sandy substrate, leaving only its long, flexible siphonal canal protruding to sense water currents and food.

Coloration and Sexual Dimorphism:

The shell has an ivory-white base color decorated with a geometric pattern of brown or orange square spots. The muscular foot is mottled grey and brown. No visible sexual dimorphism is present.

Care, breeding and tankmates

Tank Setup:

Requires a mature marine aquarium of at least 80-100 liters. A deep layer of fine, soft sand (at least 5-8 cm) is critical to allow the snail to bury itself completely.

Diet and Feeding:

An opportunistic detritivore and carnivore. Consumes leftover fish food, organic detritus, and animal matter. Feed with small pieces of shrimp or sinking pellets on the sand.

Water Quality:

Maintain stable water parameters: temperature 22-26 °C, pH 8.1-8.4, and specific gravity 1.022-1.025. Constant calcium levels (400-450 mg/l) are needed for shell growth.

Compatibility and Tankmates:

Absolutely peaceful with corals and fish. May prey on smaller snails or bivalves if not fed enough. Avoid keeping with snail-eating fish like pufferfish or triggerfish.

Aquarium Breeding:

Separate sexes. The female deposits transparent capsules containing eggs anchored to rocks. The planctonic veliger larvae hatch but rarely survive in home aquariums.

Risks and Diseases:

Extremely sensitive to copper and medications, which are lethal. Acclimate slowly and avoid keeping with large, aggressive hermit crabs that might kill it for its shell.

Geographic Origin and Distribution

Origin

Tropical oceans and reefsNorth AmericaSouth and Southeast Asia

Invertebrate profile

Diet: Carnivore
Ecological role: Herbivore
Shock sensitivity: Low
Calcium and minerals: High
Molting: Shell growth
Reproduction: Oviparous
Compatibility & tankmates: Peaceful

Image gallery

Licensed images linked to the species or, when marked, to the closest representative taxon.

Related species

Recommendations grouped by close relatives, companion choices, and similar care.

Variants and close relatives

Same atlas type, nearby scientific identity, genus, or family.

Mud babylon

Babylonia lutosa

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Species description

Geographical Origin and Habitat:

Taxonomy:

Social Behavior:

Coloration and Sexual Dimorphism:

The shell has an ivory-white base color decorated with a geometric pattern of brown or orange square spots. The muscular foot is mottled grey and brown. No visible sexual dimorphism is present.

Care, breeding and tankmates

Tank Setup:

Requires a mature marine aquarium of at least 80-100 liters. A deep layer of fine, soft sand (at least 5-8 cm) is critical to allow the snail to bury itself completely.

Diet and Feeding:

An opportunistic detritivore and carnivore. Consumes leftover fish food, organic detritus, and animal matter. Feed with small pieces of shrimp or sinking pellets on the sand.

Water Quality:

Maintain stable water parameters: temperature 22-26 °C, pH 8.1-8.4, and specific gravity 1.022-1.025. Constant calcium levels (400-450 mg/l) are needed for shell growth.

Compatibility and Tankmates:

Absolutely peaceful with corals and fish. May prey on smaller snails or bivalves if not fed enough. Avoid keeping with snail-eating fish like pufferfish or triggerfish.

Aquarium Breeding:

Separate sexes. The female deposits transparent capsules containing eggs anchored to rocks. The planctonic veliger larvae hatch but rarely survive in home aquariums.

Risks and Diseases:

Extremely sensitive to copper and medications, which are lethal. Acclimate slowly and avoid keeping with large, aggressive hermit crabs that might kill it for its shell.

Invertebrate profile

Diet

Carnivore

Babylonia areolata acts primarily as a detritivore and herbivore, endlessly moving over surfaces in search of food. They are renowned for their ability to consume various forms of problematic algae and biofilm. Sinking algae wafers can be offered if the tank is too clean to support them.

Ecological role

Herbivore

As a member of the cleanup crew, Babylonia areolata performs an essential role in keeping hard surfaces pristine. They scrub algae from glass, rocks, and decorations without harming established plant life. Their waste also breaks down easily to nourish the biological filter.

Shock sensitivity

Low

Babylonia areolata benefits from a gentle acclimation period to equalize temperature and water chemistry. A sudden change in salinity or pH can cause them to clamp their operculum tightly and refuse to move. Patience during introduction ensures they quickly begin exploring the tank.

Calcium and minerals

High

Babylonia areolata has a high demand for calcium to construct and maintain its dense shell. In water with poor mineral content, their shells can become pitted, thin, and brittle. Maintaining a stable pH and sufficient calcium levels is crucial to their long-term survival.

Molting

Shell growth

Unlike crustaceans, Babylonia areolata does not undergo a molting process. Instead, it continuously adds new layers of calcium carbonate to the edge of its existing shell as it grows. Visible growth rings on the shell can indicate changes in diet or water chemistry over time.

Reproduction

Oviparous

Many snails in this category require specific, often brackish, conditions for their eggs to successfully hatch. While they may lay resilient egg capsules on hard surfaces, these rarely develop in a standard aquarium. This makes Babylonia areolata excellent for aquarists who want to avoid overpopulation issues.

Compatibility & tankmates

Peaceful

Babylonia areolata is completely defenseless, relying solely on its hard shell to deter aggression. It should never be housed with specialized snail-eating predators like pufferfish or loaches. They mix perfectly well with small fish, peaceful shrimp, and other serene invertebrates.