Range Description

Sargassum setifolium is an endemic species from the Galápagos Islands. Prior to 1983, reported from: Fernandina: Punta Espinosa (1972 UC, K.A. Miller, pers. comm; Wellington 1975). Isabela: Caleta Black (Taylor 1945) and Caleta Tagus (Taylor 1945; also many 1966 UC specimens from 0.5 mile NW of Caleta Tagus and 1 mile N of Caleta Tagus; K.A. Miller, pers. comm.). Floreana: Champion (Wellington 1975), Black Beach Anchorage (1972 UC, K.A. Miller, pers. comm). San Cristóbal: (Albatros Espedition); Wreck Bay (1972 UC, K.A. Miller, pers. comm). Santiago: Bartolome (Taylor 1945). Santa Cruz. After 1983, reported from: Santa Cruz: Tortuga Bay (1995 CDS). Isabela: Las Marielas (CDRS record 2001).