Serranus auriga

Cochero | Dules auriga
Serranus auriga
Serranus auriga, Chubut, Argentina, Photo: Graham Edgar


Temperate South America, Tropical Atlantic/Caribbean


Tan with a broad dark bar on rear half of body which is broader on back than on lower side, and faint light bar in centre, white patch on belly, a second spine of dorsal fin extremely elongated.


Max Size: 19 cm

Sea Temperature Range: 10.4-18.3°C

Depth: 15-135m

Habitat Generalization Index: N/A

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.

Conservation and Rarity

IUCN Status: Not Evaluated

Occurrence: Widespread (100% 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: Few (2 per transect)

Abundance is calculated as the average number of individuals recorded per RLS transect, where present.

Edit by: Joe Shields