Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Siganidae
Etymology: Siganus: Latin, siganus = a fish, rabbit fish; by the similarity of the nose (Ref. 45335).
Environment / Climate / Range
Marine; reef-associated; depth range 2 - 20 m (Ref. 90102), usually 3 - 30 m (Ref. 27115). Tropical; 24°C - 28°C (Ref. 27115); 15°N - 0°N
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 24.0 cm SL male/unsexed; (Ref. 48637)
soft rays: 9;
Vertebrae: 23. Ocular band dark chocolate brown to black; a broad white arc running from isthmus and thorax to bases of 2nd - 4th dorsal spines; posterior to white band, body brown or gray dorsally, whitish below. Spines stout, not very pungent and venomous. Preopercular angle 120°; strong overlapping scales cover cheeks, 8 or 9 rows deep below center of orbit; midline of thorax fully scaled. Opening of anterior nostril borne on a very short tube which is taller posteriorly.
Eastern Indian Ocean: Thailand, including the Similan Islands to Java, Indonesia.
Inhabits coral reefs and feeds on algae and small invertebrates. Adults occur in pairs, juveniles secretive in corals (Ref. 48637). Sometimes solitary (Ref. 90102).
Woodland, D.J., 1990. Revision of the fish family Siganidae with descriptions of two new species and comments on distribution and biology. Indo-Pac. Fish. (19):136 p. (Ref. 1419)
IUCN Red List Status (Ref. 90363)
CITES (Ref. 94142)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01660 (0.00609 - 0.04520), b=3.00 (2.76 - 3.24), based on LWR estimates for this Subfamily-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 2.7 ±0.29 se; Based on food items.
Resilience (Ref. 69278
Vulnerability (Ref. 59153
): Low vulnerability (23 of 100) .