Streaked spinefoot (Siganus javus) fish species and information / pictures of Streaked spinefoot - Siganus javus

Streaked spinefoot (Siganus javus) fish species information

Scientific Name
Siganus javus

Common Name
Streaked spinefoot

Biology
Dorsal spines (total): 13; Dorsal soft rays (total): 10; Anal spines: 7; Anal soft rays: 9; Vertebrae: 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.

Classification

Classified By
Linnaeus, 1766
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Rabbitfishes (Siganidae)

Distribution

Region
Indo-Pacific
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).
Range
30°N - 20°S

Environment

Climate
Tropical
Water Temperature From
25 °C
Water Temperature To
28 °C
Depth From - meters
Unknown m
Depth To - meters
Unknown m
Zone
reef-associated
Environment
Marine; brackish; reef-associated; oceanodromous (Ref. 51243), usually 2 - 20 m (Ref. 27115)
Trophic Level
2.39 s.e. 0.08 Based on food items.
Occurs in Marine / Salt water
True
Occurs in Brackish water
True
Occurs in Fresh Water
False
Occurs on Reefs
True
Is kept in Aquariums
True

Physical Size and Genetics

Maximum Length
53.0 cm
Common Length
30.0 cm
Phylogenetic Diversity Index
PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Fisheries: commercial; aquarium: commercial
Vulnerability
Low to moderate vulnerability (32 of 100)
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)
Threat To Humans
  Venomous (Ref. 4537)
IUCN Red List Status
  Not Evaluated