Trochus Snail

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The Trochus Snail is one of the most versatile and effective algae grazers for marine and reef aquariums. With its attractive conical shell and strong grazing ability, it helps control film algae, diatoms and soft green algae across aquarium glass, rockwork and other hard surfaces.

Trochus Snails are particularly popular because they are generally reef safe, peaceful and capable of righting themselves if they fall over. They are active throughout the aquarium and can provide valuable ongoing algae control without disturbing corals.

They are best introduced to an established aquarium with sufficient natural algae available. If algae levels become low, supplement their diet with marine algae-based foods.

Quick Care Guide

• Scientific Name: Trochus spp.
• Difficulty: Easy
• Lighting: Any standard reef lighting
• Flow: Low to moderate
• Temperature: 24–27°C
• Salinity: 1.024–1.026 SG
• Diet: Algae, diatoms and biofilm
• Minimum Aquarium: 30L+
• Placement: Glass, rockwork and hard surfaces
• Temperament: Peaceful
• Reef Compatibility: Reef safe
• Activity: Active algae grazer
• Special Feature: Can generally right itself when overturned

FAQ

What do Trochus Snails eat?

Trochus Snails primarily graze on algae, diatoms and biofilm growing across aquarium surfaces.

Are Trochus Snails reef safe?

Yes. They are considered reef safe and are an excellent choice for reef clean-up crews.

Can Trochus Snails clean aquarium glass?

Yes. They are effective grazers and will regularly move across aquarium glass and rockwork searching for algae.

Can Trochus Snails right themselves?

Yes. Unlike some other common grazing snails, Trochus Snails are generally capable of righting themselves when they fall onto their backs.

Common Mistakes

Adding too many to a new aquarium

Trochus Snails need a natural food source. Avoid overstocking a new or very clean aquarium.

Assuming they only need algae

If the aquarium has very little natural algae, supplement their diet with suitable marine algae foods.

Keeping them with aggressive predators

Large wrasses, crabs and other predatory livestock may prey on snails.

Overfeeding the aquarium

Excess food can contribute to nutrient problems and reduce the need for natural grazing.

Expecting them to remove every type of algae

Trochus Snails are excellent general grazers, but particularly stubborn or established algae may require additional management.