Alectis ciliaris

Pennantfish | African Pompano | Cobblerfish | Cordonnier | Crevalle | Cuban Jack | Diamond Trevally | Fiddler | Hairfish | Indian Threadfin Trevally | Pennant Trevally | Pompano | Shoemaker | Sunfish | Threadfin Jack | Threadfin Jackfish | Threadfin Mirrorfish | Threadfin
Alectis ciliaris
Alectis ciliaris, Minerva Reef, Pacific Ocean, Photo: Graham Edgar
Alectis ciliaris
Alectis ciliaris, juvenile, NSW, Australia, Photo: Antonia Cooper
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Alectis ciliaris
Alectis ciliaris

Same Genus


Tropical Atlantic/Caribbean, Tropical Eastern Pacific, Tropical Indo-Pacific


High body with rounded head and metallic silver sheen, juveniles with five chevron-shaped bars and long filaments projecting from dorsal and ventral fin spines that can be several times the length of the body. Length to 130 cm.


Max Size: 150 cm

Sea Temperature Range: 16.8-31.2°C

Depth: 1-100m

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: Least Concern

Occurrence: Rare (0.8% 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 (10 per transect)

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

Edit by: Joe Shields