Siganus javus

Java Rabbitfish | Blue-spotted Spinefoot | Bluespotted Spinefish | White-spotted Rabbitfish
Siganus javus
Siganus javus, Raja Ampat, Indonesia, Photo: Rick Stuart-Smith
Siganus javus
Siganus javus, Raja Ampat, Indonesia, Photo: Graham Edgar
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Siganus javus
Siganus javus


Tropical Indo-Pacific


Spots on back and stripes on belly, lacking yellow blotch of S. lineatus (goldlined rabbitfish) and with longer body and different tail shape to that species.


Max Size: 53 cm

Sea Temperature Range: 22.4-31.4°C

Depth: 0-20m

Habitat Generalization Index: 0.42

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 (6.5% 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 (7 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