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Rolland's demoiselle (Chrysiptera rollandi) fish species and information / pictures of Rolland's demoiselle - Chrysiptera rollandi

Rolland's demoiselle (Chrysiptera rollandi) fish species information

Scientific Name
Chrysiptera rollandi

Common Name
Rolland's demoiselle

Biology
Dorsal spines (total): 13; Dorsal soft rays (total): 10-11; Anal spines: 2; Anal soft rays: 12 - 13. Dorsal part of the head and anterior portion of the back dark brown with blue streaks, creamy white below.

Classification

Classified By

Whitley, 1961

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Damselfishes (Pomacentridae)

Distribution

Region

Eastern Indian Ocean and Western Pacific

Distribution

Eastern Indian Ocean and Western Pacific: Andaman Sea to the Loyalty Islands, north to the Philippines, south to the Great Barrier Reef and New Caledonia. Recently recorded from Tonga (Ref. 53797).

Range

20°N - 23°S

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

2 m

Depth To - meters

35 m

Zone

reef-associated

Environment

Marine; reef-associated; non-migratory; depth range 2 - 35 m (Ref. 7247)

Trophic Level

2.71 s.e. 0.30 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

7.5 cm

Common Length

Unknown 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: of no interest; aquarium: commercial

Vulnerability

Low vulnerability (15 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