Classification / Names
Common names from other countries
Size / Weight / Age
Max length : 28.0 cm TL male/unsexed; (Ref. 9710); common length : 18.0 cm TL male/unsexed; (Ref. 9813)
Marine; reef-associated; depth range 1 - 50 m (Ref. 28016), usually 1 - 20 m (Ref. 27115)
Climate / Range
Tropical; 24°C - 28°C (Ref. 27115), preferred ?; 30°N - 30°S
Indo-West Pacific: Known from India to French Polynesia; north to Japan; south to New Caledonia. Replaced by Siganus luridus in the west Indian Ocean (Ref. 37816).
Countries | FAO areas | Ecosystems | Occurrences | Introductions
soft rays: 9;
Vertebrae: 13. The species can adopt a number of camouflage patterns involving off-white, pale gray to blackish, and various shades of brown. The basic pattern consists of a labyrinth of narrow bands with upper half vermiculate, the lower ones tend to meander horizontally. This pattern extends to the fins. Iris golden dissected by a chocolate cross. 4-5 irregular off-white bars on caudal peduncle. Scales fine on cheeks, densely packed over lower 2/3 of preopercular region. Midline of thorax without scales between pelvic ridges. Fin spines stout, pungent, venomous. Preopercular angle 87-100 degrees.
IUCN Red List Status (Ref. 90363)
Fisheries: minor commercial; aquarium: commercial
Estimates of some properties based on models
Phylogenetic diversity index
PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)
2.0 ±0.03 se; Based on food items.
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)
Low vulnerability (14 of 100)