Trachinotus baillonii

Small-spotted dart | Trachinotus bailloni
Trachinotus baillonii
Trachinotus baillonii, Seychelles, Photo: Rick Stuart-Smith
Trachinotus baillonii
Trachinotus baillonii, Bali, Indonesia, Photo: Ian Shaw
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Trachinotus baillonii
Trachinotus baillonii


Tropical Indo-Pacific


Silver diamond-shaped body, with a row of 1-5 dark silver/black blotches on side similar to those in Scomberoides species (Queenfish), and long dorsal, anal and tail fins which become darker towards the ends. Similar shape but lacks bulbous head of T. blotchii (Snubnose Dart).


Max Size: 60 cm

Sea Temperature Range: 19.6-30.7°C

Depth: 0-3m

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: Infrequent (1.3% 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: Several (6 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