Onespot demoiselle - 114e HK Reef Fish

Photo By: Allen To

Photo By: Allen To

Photo By: Allen To

Photo By: Allen To

Photo By: Allen To

Photo By: Andrew Fung

Onespot demoiselle

Characteristics

Usually occurs singly and may form small groups.

Description

Adults:

Anteriorly pale brown to grey. Posteriorly darker. Some individualsmay be entirely dark.
Pectoral fins yellow.
A black spot on rear dorsal fin.

Juveniles:

Body yellowish.
A bright blue stripe from nape to mid-dorsal fin, where there is a blue-
margined black spot.
Another blue-margined black spot on rear dorsal fin.

Common Name: One-spot demoiselle

Family Common Name: Damselfishes

Family: Pomacentridae

Scientific Name: Chrysiptera unimaculata___(Cuvier, 1830)

Genus: Chrysiptera

Maximum Length: 10 cm (Total Length)

Onespot demoiselle