Siganus javus   (Linnaeus,  1766) (Fish)
Organism information awaits expert curation
Taxonomy
Kingdom:Animalia
Phylum:Chordata
Class: Actinopterygii
Order:Perciformes
Family:Siganidae

Image copyrights: Ministry of Agriculture and Fisheries, Sultanate of Oman

Description
Size: 20-53 cm.

Color: Back brownish, belly silvery; numerous small grey spots on head and upper flanks, coalescing into pale undulating lines on lower sides. No black blotch behind upper part of gill opening. Dorsal and anal fins yellow or orange. Fins unmarked except for vertical bars on caudal in some specimens.

The body is deep, oval and compressed. The head profile is slightly concave above the eye while the snout is short and blunt. The mouth is small and terminal and is surrounded by rather thick lips. Height 1.8-2.2, 2.3-2.8 in length with caudal. Head 3.4-3.7, 4.3-4.6 in length with caudal. Eye 3.1-3.3, 1.2-1.3 in snout and 1-1.2 in somewhat convex inter orbital space. First dorsal spine as long as eye, following spines increasing in length to the sixth, which equals snout and half eye, seventh and following spines decreasing again in length, the equal to snout. Soft dorsal angular, post-median rays longest, about equal to snout and half eye. First anal spine longer than eye, third spine longest, as long as snout and half eye, posterior spines sub equal, slightly less than third. Soft anal somewhat more rounded than soft dorsal. Pectorals equal to head without snout or somewhat longer. Ventrals slightly shorter than pectorals. Caudal truncate in young, emarginate in adults. Least depth of Caudal peduncle 1.2-1.4 in its length, 1.2-1.3 in eye. The anal fin has 7 spines and 9 soft rays. The caudal fin is truncate in young individuals but emarginate in adults. Slender and pungent dorsal spines; anal spines stout. Preopercular angle 78°-92°. Strong scales cover cheeks. Mid line 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. Dorsal spines (total): 13; Dorsal soft rays (total): 10; Anal spines: 7; Anal soft rays: 9; Vertebrae: 13.

Remarks: Values in above description denote proportions.


Synonym (s)
Amphacanthus javus (Linnaeus, 1766)
(Senior synonym)
Siganus javus (Linnaeus, 1766)
(Senior synonym)
Sparus spinus (non Linnaeus, 1758)
(Misapplied name)
Teuthis brevirostris Gronow, 1854
(Junior synonym)
Teuthis javus Linnaeus, 1766
(Senior synonym)
Amphacanthus javus Cuvier and Valenciennes, 1835
Amphacanthus javus Schlegel and Muller, 1841
Amphacanthus russelii Bleeker, 1845
Teuthis java Cantor, 1850
Amphacanthus javus Bleeker, 1850
Teuthis javus Gunther, 1861
Amphacanthus javus Kner, 1867
Teuthis java Day, 1875
Teuthis javus Castelnau, 1879
Teuthis javus Macleay, 1881
Siganus javus Jordan and Seale, 1907
Siganus javus Jordan and Richardson, 1908
Siganus javus Seale, 1910
Siganus javus Fowler and Bean, 1922
Siganus javus McCulloch, 1922
Teuthis javus Herre and Montalban, 1928
Siganus javus Fowler, 1928
Siganus javus Fowler and Bean, 1929
Siganus javus de Beaufort, 1951
Amphacanthus Javanus (Linnaeus, 1766)
(misspelling)
Siganus java (Linnaeus, 1766)
(misspelling)
Theutis java Linnaeus, 1766
(misspelling)

Common Name (s)
• Streaked Spinefoot (English)
• Streaked Rabbitfish (English)
• Streaky Spinefoot (English)
• Vori (Mahl)
• Kunar (Marathi)
• Ottah (Tamil)
• Warahwah (Telugu)
• Vermiculated Spine-foot (English)
• Ora meen
Economic Importance and Threats
Importance:  Commercial, Dangers
(Fisheries, aquarium, Ornamental fish
Venomous)

Ecology
Habitat:  Reef Associated, Estuarine, Rocky, Coastal
Trophic Level:  Secondary Consumer
Prey:  Plants, phytoplankton, benthic algae/weeds, planktonic crustaceans, jellyfish/hyroids, zooplankton

Biogeography


• INDIA
• Persian Gulf
• IRAN
• PAKISTAN
• SRI LANKA
• East Coast, Coromandel, Pulicat Lake INDIA (Record: 1997-1998)
• Tamil Nadu, Chennai Coast INDIA
• Tamil Nadu, Gulf of Mannar INDIA
• Kerala, Ponnani Estuary INDIA (Record: 03/1997-02/1999)
• Andaman and Nicobar Islands, Andamans INDIA
• Lakshadweep, Minicoy INDIA
• Lakshadweep INDIA
• Andaman and Nicobar Islands, Great Nicobar Island INDIA (Record: 08/2000-07/2003)
• Pondicherry, Pondicherry mangrove (Lat: 11.76) (Long: 79.82) INDIA (Record: 01/2002-12/2003)
• Pondicherry, Pondicherry mangrove (Lat: 11.89) (Long: 79.8) INDIA (Record: 01/2002-12/2003)
• Kerala, Ayiramthengu INDIA
• Kerala INDIA
• Tamil Nadu, Pulicat Lake INDIA
• Palk Bay
• Karnataka, Netrani Island INDIA
• Tamil Nadu, Vedalai INDIA
• Tamil Nadu, Cuddalore (Lat: 11.7) (Long: 79.76) INDIA (Record: 01/2004-12/2004)
• Tamil Nadu, Cuddalore Coast INDIA (Record: 08/2008, 11/2008-12/2008)
• Andaman and Nicobar Islands INDIA

Literature Source(s)
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Page last updated on:2011-12-05

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