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Bumblebee Snail
Engina mendicaria
Animalia›Mollusca›Gastropoda›Buccinidae
📍 Indo-Pacific reef sand zones
Tiny, striking black and yellow banded snail. Buries in sand and hunts detritus and small worms — a useful sandbed cleaner. Larger specimens have been known to eat small sleeping fish, so use with caution.
Care Guide
Diet
Bumblebee snails are carnivorous detritivores that primarily feed on small worms, organic detritus, and decaying matter in the sandbed. Supplement their natural foraging with occasional offerings of frozen bloodworms or small pieces of raw shrimp. Feed sparingly 2-3 times weekly, as they obtain most nutrition from scavenging the tank substrate.
Behavior
These tiny snails are primarily nocturnal and spend most of their time burrowed in sand hunting for food, making them excellent natural sandbed cleaners. They are peaceful and solitary, showing minimal interaction with tank inhabitants. Larger specimens may occasionally prey on sleeping fish, so monitor behavior in tanks with small, sedentary species.
Breeding
Breeding bumblebee snails in captivity is extremely rare and poorly documented. They are gonochoric (separate sexes) and require specific environmental triggers that are difficult to replicate in home aquariums. Most captive specimens are wild-caught, and successful breeding has not been reliably achieved by hobbyists.
Tank Mates
Both are reef-safe and peaceful; snail poses minimal threat to active fish
Occupies different ecological niche; both benefit from sandy substrate
Peaceful scavengers that share similar habitat preferences and feeding ecology
Compatible snail species with non-overlapping feeding habits; both are algae/detritus feeders
Small, peaceful fish that won't disturb the snail's burrowing behavior
Peaceful scavenger with similar reef habitat requirements and feeding strategy
Common Diseases
Shell Erosion
Pitted, chalky, or dissolving shell surface; weakened shell structure
Maintain stable pH 8.1-8.4 and adequate calcium levels; perform regular water changes; ensure proper alkalinity (dKH 8-12)
Parasitic Infection
Lethargy, reduced feeding, visible parasites on shell or body, mucus buildup
Quarantine affected snail; perform freshwater dips (for brief periods); improve water quality and tank cleanliness; treat with copper-free medications if necessary
Bacterial Shell Disease
Discoloration, pitting, or fuzzy growth on shell; foul odor
Increase water circulation and oxygenation; perform frequent partial water changes; remove decaying matter promptly; maintain optimal water parameters
Starvation
Inactivity, failure to emerge from shell, visible weight loss
Ensure adequate detritus and organic matter in sandbed; supplement with frozen bloodworms; verify snail is not being outcompeted by other scavengers
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Quick Facts
- pH
- 8.1–8.4
- diet
- carnivore/detritivore — worms, detritus
- maxSize
- 0.5 inches
- minTankSize
- 10 gallons
- temperature
- 72–82°F (22–28°C)
Temperature
72–82°F
22–28°C