Scientific Name
Genicanthus personatus

Common Name
Masked angelfish

Biology
Sexes exhibit different coloration. Male pearly white with anterior portion of the head, from the snout to just behind the eye, yellow orange; anterior half of the caudal fin black; dorsal and anal fins white with a broad orange band distally; the pectoral and pelvic fins orange. Female pearly white with anterior portion of the head, from the snout to just behind the eye black or gray; anterior half of the caudal fin also black; distal portion of pelvic fins orange.

Classification

Classified By

Randall, 1975

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Angelfishes (Pomacanthidae)

Distribution

Region

Eastern Central Pacific

Distribution

Eastern Central Pacific: endemic to the Hawaiian Islands. Have recently been reported from Midway Islands (Ref. 28620).

Range

30°N - 17°N

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

23 m

Depth To - meters

174 m

Zone

reef-associated

Environment

Marine; reef-associated; depth range 23 - 174 m (Ref. 58302)

Trophic Level

2.72 s.e. 0.31 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

True

Physical Size and Genetics

Maximum Length

21.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5010 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: of no interest; aquarium: commercial

Vulnerability

Low to moderate vulnerability (27 of 100)

Resilience

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

Threat To Humans

Harmless

IUCN Red List Status

Least Concern (LC)