Abalone shell with iridescent interior and a row of holes #abalone #iridescentThis item appears to be an iridescent Donkey's Ear Abalone (Haliotis asinina) sea shell. Key Features • Shape: The shell has a narrow, elongated curve that looks like an animal's ear. • Interior: The inside shows a shiny mother-of-pearl layer with soft pink, green, and silver colors. • Respiratory Pores: A row of small, open holes runs along the side edge for breathing and spawning.