Northwest, Southwest, South, Southeast and East of El Hierro, North, West, Northeast, East and South of La Palma, North, East, South and West of La Gomera, Northwest, North, Northeast, Southeast, East, South and Southwest of Tenerife, Northwest, North, Northeast, East, Southeast, Southwest and West of Gran Canaria, East, West, Northeast and Northwest of Fuerteventura (including Lobos), South, East, North and West of Lanzarote, and chinijo archipelago (Graciosa ).

It inhabits in stony rocks mesolitorales and pedregales infralitorales. It usually has good densities in stony rocks formed by rocks of medium size and covered by crusty calcareous red algae, between 0 and 15 m deep. During the day it lives adhered to the stones in its lower face. (Vice-Ministry of the Environment, 2009)