Scientific Name
Symphorus nematophorus

Common Name
Chinamanfish

Biology
Dorsal spines (total): 10; Dorsal soft rays (total): 15-16; Anal spines: 3; Anal soft rays: 9. Head profile steep. Preorbital bone broader than eye. A deep groove between the eye and nostrils. Preopercular notch and knob absent. Mouth large extending to below middle of eye. Anterior dorsal soft rays produced into filaments in young. Pectoral fins long reaching level of anus. Scale rows on back parallel to lateral line. Juveniles whitish along lower half of the body from below eye level. Young with bright blue stripes on yellowish sides; brown back. Adults yellowish brown to reddish. Sometimes show faint vertical barring. Numerous blue lines along scale-rows that are brightest in sub-adults (Ref. 48635).

Classification

Classified By

Bleeker, 1860

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Snappers (Lutjanidae)

Distribution

Region

Western Pacific

Distribution

Western Pacific: Ryukyu Islands to the Indo-Australian Archipelago (Malay Peninsula to New Guinea and northern Australia).

Range

32°N - 26°S, 98°E - 170°E

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

20 m

Depth To - meters

100 m

Zone

reef-associated

Environment

Marine; reef-associated; depth range 20 - 100 m (Ref. 57178)

Trophic Level

4.05 s.e. 0.69 Based on diet studies.

Occurs in Marine / Salt water

True

Occurs in Brackish water

False

Occurs in Fresh Water

False

Occurs on Reefs

True

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

100.0 cm

Common Length

35.0 cm

Phylogenetic Diversity Index

PD50 = 1.0000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: commercial; gamefish: yes

Vulnerability

Moderate to high vulnerability (49 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (K=0.23)

Threat To Humans

Reports of ciguatera poisoning (Ref. 4690)

IUCN Red List Status

Not Evaluated