Physical Description
The Giant Keyhole Limpet has a shell permanently covered by mantle, reaching lengths of up to 250 mm. Its soft parts are typically solid black but may also appear mottled. The bottom of its foot is yellowish-brown.
Habitat
Commonly found on rocks in kelp forests.
Geographical Range
From Monterey Bay to Baja.
Diet
Feeds on compound ascidians and other encrusting invertebrates.
