Spiny Astrea Snail

Spiny Astrea Snail

Scientific Name: Astralium phoebia

Small Fish Safe: Yes

Invert Safe: Yes

Coral Safe: Yes

Adult Size: ~3–4 cm

Diet: Herbivore – consumes film algae, diatoms, and surface growth

Why We Like It:

This rugged-looking snail is a powerhouse grazer, ideal for tackling stubborn algae across rockwork and tank walls. Its distinctive conical shell with spiny ridges gives it a prehistoric look that stands out in any reef. Hardy and reliable, the Spiny Astrea is a perfect fit for most clean-up crews.