Scientific Name
Siganus lineatus

Common Name
Golden-lined spinefoot

Biology
Dorsal spines (total): 13; Dorsal soft rays (total): 10; Anal spines: 7; Anal soft rays: 9; Vertebrae: 13. Blue dorsally, silvery below; a bright yellow spot below last few rays of dorsal fin; a prominent blue line beside posterior margin of orbit running diagonally across cheek to corner of mouth. Preopercular angle 92?-104?; strong scales almost completely cover cheeks; midline of thorax scaled, not pelvic ridges. Anterior nostril encircled by a very low rim, slightly expanded posteriorly. Spines stout, pungent and venomous.

Classification

Classified By

Valenciennes, 1835

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Rabbitfishes (Siganidae)

Distribution

Region

Indo-West Pacific

Distribution

Indo-West Pacific: Maldives, Laccadive Archipelago, India, Sri Lanka, Ogasawara Islands (Japan), eastern Indonesia, New Guinea, Australia, Solomon Islands, Vanuatu, New Caledonia and Philippines; Palau and Yap in Micronesia. Records from Viet Nam (Ref. 2682) is probably Siganus guttatus.

Range

25°N - 30°S

Environment

Climate

Tropical

Water Temperature From

25 °C

Water Temperature To

29 °C

Depth From - meters

0 m

Depth To - meters

Unknown m

Zone

reef-associated

Environment

Marine; reef-associated; depth range 0 - ? m (Ref. 27115), usually 0 - 20 m (Ref. 27115)

Trophic Level

2 s.e. 0.00 Based on food items.

Occurs in Marine / Salt water

True

Occurs in Brackish water

False

Occurs in Fresh Water

False

Occurs on Reefs

True

Is kept in Aquariums

True

Physical Size and Genetics

Maximum Length

43.0 cm

Common Length

25.0 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 (25 of 100)

Resilience

High, minimum population doubling time less than 15 months (K=0.6)

Threat To Humans

Venomous (Ref. 4716)

IUCN Red List Status

Not Evaluated