Scomberomorus commerson

Spanish Mackerel | Barred Spanish Mackerel | Commerson's Mackerel | Giant Mackerel | Narrow-banded Spanish Mackerel | Narrow-barred King Mackerel | Narrowedbarred Spanish Mackerel | Spaniard
Scomberomorus commerson
Scomberomorus commerson, WA, Australia, Photo: Graham Edgar
Scomberomorus commerson
Scomberomorus commerson, Great Barrier Reef, Australia, Photo: Lizzi Oh
Scomberomorus commerson
Scomberomorus commerson, Wessell Is, NT, Australia, Photo: Ian Shaw
1 / 3
Scomberomorus commerson
Scomberomorus commerson
Scomberomorus commerson


Mediterranean, Temperate Australasia, Temperate northern Pacific, Tropical Indo-Pacific


Thin, wavy vertical bars on lower part of body, lateral line that dips to lower body rear of the dorsal fin. Acanthocybium solandri (Wahoo) has wider bars which also cover top part of body, a longer snout, and is not typically found in shallow or coastal water.


Max Size: 240 cm

Sea Temperature Range: 22.4-31.3°C

Depth: 10-70 m

Habitat Generalization Index: 0.77

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: Near Threatened

Occurrence: Infrequent (3.2% 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 (4 per transect)

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

Edit by: RD Stuart-Smith, GJ Edgar, AJ Green, IV Shaw. 2015. Tropical Marine Fishes of Australia. Reed New Holland