Haliotis dalli Henderson, 1915
Distribution: Galapagos, W. Colombia.
Size to 50mm.

A difference with H. roberti McLean: the spiral ridge between row of holes and suture.
On rocks at 20-30m deep, Bahia Isabel, isla Fernandina, Galapagos.
30mm. Picture © Franck Frydman.
Same spot. 31mm. Picture © Franck Frydman.
12m deep, around boulders, Isla isabella, Galapagos.
47mm. Picture © R. Kershaw.

All pics © Olivier Caro