Abudefduf troschelii, Gulf of California, Mexico, Photo: Rick Stuart-Smith
Abudefduf troschelii, Machalilla, Ecuador, Photo: Graham Edgar
Tropical Eastern Pacific
High silvery body with 6 dark bars, another faint bar on tail base, black spot at pectoral fin base, and a yellow back. Found in large aggregations above the reef.
Max Size: 20 cm
Sea Temperature Range: 20.8-30.4°C
Habitat: Coral Reef, Rocky Reef
Habitat Generalisation Index: 23
Also referred to as the SGI (Species generalisation index), this describes the habitat niche breadth of the species.
Species with values less than 15 are found in a relatively narrow range of reef habitat types (specialists), while those over 25 may be found on most
hard substrates within their range (generalists). Learn more here
IUCN Threat Status: Least Concern
Occurrence: Common (33% of sites)
Occurrence describes how often the species is found on surveys within its distribution.
It is calculated as the % of reef sites surveyed by RLS divers across all the ecoregions in which the species has been observed
Abundance: Many (22 per transect)
Abundance is calculated as the average number of individuals recorded per RLS transect, where present.