Scientific Name
Nemipterus gracilis

Common Name
Graceful threadfin bream

Biology
Dorsal spines (total): 10; Dorsal soft rays (total): 9; Anal spines: 3; Anal soft rays: 7. Suborbital spine absent. Preopercle with three transverse scale rows. Pectoral fins moderately long, reaching to about level of anus. Pelvic fins very long, reaching to between level of origin of anal fin and third anal spine. A line drawn up from posterior edge of suborbital reaching the dorsal profile at about 1 to 4 scale rows before origin of dorsal fin. Upper lobe of caudal fin slightly rounded, reddish tip. Color: Upper body pinkish, silvery below. Faint yellow stripe through nostril; golden yellow stripe from upper lip to below eye.

Classification

Classified By

Bleeker, 1873

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Threadfin breams, Whiptail breams (Nemipteridae)

Distribution

Region

Indo-West Pacific

Distribution

Indo-West Pacific: Indonesia from Sumatra to Flores.

Range

6°N - 11°S, 94°E - 125°E

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

30 m

Depth To - meters

90 m

Zone

demersal

Environment

Marine; demersal; non-migratory; depth range 30 - 90 m (Ref. 9785)

Trophic Level

3.69 s.e. 0.55 Based on size and trophs of closest relatives

Occurs in Marine / Salt water

True

Occurs in Brackish water

False

Occurs in Fresh Water

False

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

18.0 cm

Common Length

15.0 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: minor commercial

Vulnerability

Low vulnerability (22 of 100)

Resilience

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated