Seanet High Intertidal

High Intertidal Mid Intertidal Low Intertidal    Rocky Shore Taxonomic Subtidal Taxonomic    Rocky Shore by Pictures Subtidal by Pictures

Lottia gigantea Sowerby, 1834
Phylum Mollusca, Class Gastropoda, Subcl. Eogastropoda, Order Patellogastropoda, Family Lottidae

Owl limpet; apex near front, height low, anterior slope concave; 90 mm long, brown & white markings but often  eroded; side of foot gray, sole orange or yellow. Small form lives on mussels, somewhat more elongate, <25 mm & dark blue-black w. concentric growth lines. Side of foot & head solid black.

Common, especially on vertical faces in wave-swept areas; high & mid-intertidal; territorial browser on algal films; grows slowly & may live for decades.

Geo Range: Washington to Baja
Similar species: see table
Image: on owl limpet's back
L. scabra  (2 at rt.);  gooseneck