Scientific Name
Nemipterus furcosus

Common Name
Fork-tailed threadfin bream

Biology
Dorsal spines (total): 10; Dorsal soft rays (total): 9; Anal spines: 3; Anal soft rays: 7. Suborbital spine absent. Preopercle with 3 transverse scale rows. Pectoral fins moderately long, reaching to or just short of level of anus. Pelvic fins moderately long, reaching to or just short of level anus. A line drawn up from posterior edge of suborbital reaching the dorsal profile at about the origin of dorsal fin. Females predominate at small sizes while males dominate the larger size classes. Maybe a sequential hermaphrodite. Axillary scale present. Color: Upper body iridescent pink, silvery white below. Lower margin of caudal fin white.

Classification

Classified By

Valenciennes, 1830

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Threadfin breams, Whiptail breams (Nemipteridae)

Distribution

Region

Indian Ocean

Distribution

Indian Ocean: Maldives (Ref. 30829), Gulf of Mannar, Sri Lanka, Andaman Sea, Strait of Malacca and northwestern Australia. Western Pacific: southern Japan to northeastern Australia, Most authors have incorrectly applied the name Nemipterus peronii to this species.

Range

34°N - 26°S, 76°E - 172°E

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

8 m

Depth To - meters

110 m

Zone

reef-associated

Environment

Marine; reef-associated; non-migratory; depth range 8 - 110 m (Ref. 9785)

Trophic Level

3.6 s.e. 0.58 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

24.0 cm

Common Length

18.0 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

Vulnerability

Low to moderate vulnerability (28 of 100)

Resilience

High, minimum population doubling time less than 15 months (K=0.4)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated