Wavy astraea
Astraea undosa
Family : Turbinidae
InvertebrateMarinesnail
Herbivorous marine snail with a wavy shell, excellent algae cleaner.

Popularity
Marine snail
reef algivore
Availability
Common in shopsShop availability
IUCN Status
LC
Least Concern
Description
Astraea undosa is a marine snail from the Turbinidae family. Its thick, conical shell has characteristic wavy ridges. It is highly valued in aquariums for its ability to graze on filamentous algae and diatoms on rocks and glass. Nocturnal, it hides during the day. Hardy and easy to keep.
Habitat
Region :
Rocky intertidal and subtidal zones, reefs
Distribution :
Recommended parameters
Temperature22–26 °C
pH8.1–8.4
GH8–12 °dGH
KH8–12 °dKH
NO₃
≤ 20 mg/L
PO₄
≤ 0.2 mg/L
Care
Difficulty
1/5
Diet
Herbivore
Min. tank
40 L
Min. group
1
Adult size
5 cm
Lifespan
3 years
Temperament
Peaceful
Propagation
Egg masses in aquarium (rare)
Care notes
Temperature 22-26°C, salinity 1.023-1.025. pH 8.1-8.4. Provide live rock with algae. Avoid predators like crabs. May need calcium supplementation for shell growth.
Similar species
Espèces proches, même habitat ou même maintenance


