Scientific Name
Scolopsis margaritifera

Common Name
Pearly monocle bream

Biology
Dorsal spines (total): 10; Dorsal soft rays (total): 9; Anal spines: 3; Anal soft rays: 7. Head scales reaching to or almost to posterior nostrils. Lower limb of preopercle scaly. Antrorse (forward-directed) suborbital spine absent. Pelvic fins long, reaching almost to or beyond level of origin of anal fin. Color: Upper body olive, white below. 2 pearly white stripes on snout in front of eyes. Lower lobe of caudal fin reddish. Juveniles white, with a narrow black stripe along back (only on some specimens) and black midlateral stripe. Some with a yellowish ventral surface. Presence of a black spot between first four dorsal spines. Some color variation between Indian and Pacific populations: juveniles lack yellow stripe in the Indian Ocean population and adults show a contrasting dark back compared to Pacific form (Ref. 48635).

Classification

Classified By

Cuvier, 1830

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Threadfin breams, Whiptail breams (Nemipteridae)

Distribution

Region

Western Pacific

Distribution

Western Pacific: South China Sea to Vanuatu and northwestern Australia.

Range

24°N - 27°S, 94°E - 172°E

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

20 m

Zone

reef-associated

Environment

Marine; reef-associated; depth range ? - 20 m (Ref. 9785)

Trophic Level

3.6 s.e. 0.52 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

False

Physical Size and Genetics

Maximum Length

28.0 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: subsistence fisheries

Vulnerability

Low vulnerability (25 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