Astraea snail
Astraea tecta
InvertebrateMarine
Astraea tecta has a thick conical shell, often with spiral ridges and tubercles. Its coloration ranges from gray to light brown, sometimes with darker patterns. Adults reach about 2–3 cm in diameter. It is primarily nocturnal, hiding in crevices during the day. Sexual dimorphism is not externally obvious.
Recommended parameters
| Parameter | Recommended range |
|---|---|
| Temperature | 22–28 |
| pH | 8.1–8.4 |
| Salinity | 1.023–1.025 |
| NO₃ | ≤ 20 |
| PO₄ | ≤ 0.1 |
Care
Difficulty1/5
Dietherbivore
Min. tank40 L
Min. group1
Adult size3 cm
Lifespan3 ans
Temperamentpeaceful
Care notes
Keep in an aquarium of at least 40 L with live rock and sandy substrate. Parameters: temperature 22-28°C, pH 8.1-8.4, salinity 1.023-1.025. It feeds on algae and biofilm; supplement with dried seaweed if needed. Peaceful species compatible with all reef fish and invertebrates. Avoid predators such as crabs or pufferfish. Be cautious with copper-based medications.