Scientific Name
Caesio xanthonota

Common Name
Yellowback fusilier

Biology
Dorsal spines : 10; Dorsal soft rays : 14-15; Anal spines: 3; Anal soft rays: 11 - 12. Upper 1/3 of body and caudal fin bright yellow, middle third blue, lower white. 4-5 scales on cheek; 20-25 predorsal scales; scaled dorsal and anal fins; narrow scaleless zone interrupting the Supra-temporal band of scales at the dorsal midline. Upper peduncular scale rows 11 or 12; lower peduncular scale rows usually 15. Presence of a small process on each ventrolateral surface of basioccipital for attachment of Baudelot's ligament. Post maxillary process single; posterior end of maxilla blunt.

Classification

Classified By

Bleeker, 1853

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Fusiliers (Caesionidae)

Distribution

Region

Indian Ocean

Distribution

Indian Ocean: East Africa Gulf to Indonesia. Records of this species from the Marshall Islands and Australia are probably misidentifications of Caesio teres.

Range

23°N - 14°S, 39°E - 132°E

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

0 m

Depth To - meters

50 m

Zone

reef-associated

Environment

Marine; reef-associated; non-migratory; depth range 0 - 50 m

Trophic Level

3.4 s.e. 0.45 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

40.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5039 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 to moderate vulnerability (28 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