Siganus javus (Linnaeus, 1766)
Streaked spinefoot
Siganus javus
photo by Field, R.

Family:  Siganidae (Rabbitfishes)
Max. size:  53 cm TL (male/unsexed)
Environment:  reef-associated; depth range 0 - 20 m, oceanodromous
Distribution:  Indo-Pacific: Persian Gulf, Gulf of Oman, Pakistan, India, Sri Lanka, Burma, Andaman Islands, Thailand, Viet Nam, southern China, Malaysia, Indonesia, Philippines, Australia, New Guinea, Vanuatu and New Caledonia. Records for the Ryukyu and Ogasawara Islands could be based on strays (Ref. 9813).
Diagnosis:  Dorsal spines (total): 13-13; Dorsal soft rays (total): 10-10; Anal spines: 7-7; Anal soft rays: 9-9; Vertebrae: 13-13. Body bronze above, white on belly and thorax; iris light brown; pectoral fins hyaline, pelvic fins white. Slender and pungent dorsal spines; anal spines stout. Preopercular angle 78°-92°. Strong scales cover cheeks. Midline of thorax scaled but not pelvic ridges. Broad-based triangular flap of anterior nostril reaching half way to posterior nostril in juveniles, reducing to a small crescent with age.
Biology:  Occurs in small schools of up to 10 individuals or so, in shallow coastal waters, brackish lagoons and rocky or coral reefs. Feeds on algae attached to the substrate and on floating algal fragments. Found resting in midwater at depths of 2 to 6 m when not feeding. Marketed fresh (Ref. 9813, 48637). Maximum depth from Ref. 027115.
IUCN Red List Status: Least Concern (LC); Date assessed: 12 March 2015 Ref. (120744)
Threat to humans:  venomous
Country info:   
 

Entered by: Capuli, Estelita Emily - 23.08.91
Modified by: Kesner-Reyes, Kathleen - 24.06.16
Checked by: Woodland, David J. - 18.10.95

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