Haliotis corrugata Wood, 1828

The Pink Abalone has a strongly corded and knobby dorsal surface, crossed by numerous growth lines.
Holes elevated, very few open. Those that are closed are seriously plugged.

Scientific classification
Kingdom:Animalia
Phylum:Mollusca
Class:Gastropoda
Clade:Vetigastropoda
Superfamily:Haliotoidea
Family:Haliotidae
Genus:Haliotis
Species:H. corrugata

149mm

Ensenada, Baja California, W. Mexico

From my collection

via Flickr https://flic.kr/p/2jhGZes