The California coast was once home to the greatest number of abalone species in the world — black, white, red, green, pink, ...

DESCRIPTION: White abalone are ocean-dwelling mollusks with a thin, oval shell that is red or brown on the outside and a variety of iridescent colors, particularly white and pink, inside. They grow to ...

DESCRIPTION: The ocean-dwelling black abalone has a single shell that is smoother than that of other abalone species. Its exterior is dark blue, dark green, or almost black in color, while the inside ...