Turbo Snail
The turbo snail, scientifically known as Turbo fluctuosus (often spelled fluctuosa), is a large marine gastropod mollusk native to the warm eastern Pacific waters along the coast of North America and the Gulf of California. Reaching an impressive average size of 2 to 3 inches (5 to 8 centimeters) in diameter, it is recognized by its thick, heavy, turban-shaped shell with pronounced ridges, often featuring brown, tan, and greenish mottled patterns. These snails are considered the heavyweight workhorses of saltwater clean-up crews due to their immense appetite for aggressive nuisance algae. Equipped with a broad, muscular foot and a powerful radula, a single turbo snail can clear large patches of stubborn hair algae, film algae, diatoms, and even thick macroalgae off aquarium glass and live rock in a very short time.
In a home aquarium, they thrive in tropical marine conditions with stable calcium levels to support their dense shells. Because of their large size and strength, they act like small bulldozers in a reef tank, so frags and rockwork must be securely glued down to prevent the snail from accidentally knocking corals over as it grazes. Additionally, like Astrea snails, their top-heavy shells make it difficult for them to flip over if they fall upside down on soft sand bed areas, requiring aquarists to flip them over so they do not become vulnerable to predators.