Rastrelliger kanagurta
Mouth Mackerel | Chub Mackerel | Indian Mackerel | Long-jawed Mackerel | Rake-gilled Mackerel | Striped Mackerel
Distribution
Tropical Indo-Pacific
Description
Extremely large mouth is an obvious distinctive feature when feeding on plankton. Black spot behind pectoral fin also distinctive. Large schools.
Information
Max Size: 35 cm
Sea Temperature Range: 23.8-30.7°C
Depth: 20-90m
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: Data Deficient
Occurrence: Infrequent (1.1% 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 (29 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