Key Hole Limpet - Megathura crenulata

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Key Hole Limpet

Scientific Name

Megathura crenulata

Reef Compatible

With Caution

Care Level

Beginner

Disposition

Peaceful

Min. Tank Size

50 gallons

Mature Size

3 inches

Placement in tank

Any

Diet

Herbivore

Range

Eastern Pacific, Indo-Pacific

Size Class

view chart

Description

Key Hole Limpets are something not frequently seen in the hobby. However, these guys are algae eating magnets!! Spending their time mainly on the glass, they will venture onto the sand providing it is of a fine grade and will clean off hair algae and even Cyanobacteria algae quite quickly.

Diet

Will stay mostly on glass and hard surfaces eating film algae. Occasional offerings of Nori (seaweed) wrapped rocks placed near the glass are good for supplemental feedings if insufficient food source is unavailable.