Onespot demoiselle (Chrysiptera unimaculata) fish species and information / pictures of Onespot demoiselle - Chrysiptera unimaculata

Onespot demoiselle (Chrysiptera unimaculata) fish species information

Scientific Name
Chrysiptera unimaculata

Common Name
Onespot demoiselle

Biology
Dorsal spines (total): 13; Dorsal soft rays (total): 13-14; Anal spines: 2; Anal soft rays: 12 - 14. Those between Pacific and Indian Ocean are most different. Adults usually plain dark with a black spot at the end of the dorsal fin base and a small orange spot on gill-plate (Ref. 48636). This species may resemble C. biocellata but never has a pale bar on its side. Usually it has more (19 against 18) pectoral rays and more pored lateral line scales (18 against 17 in upper series).

Classification

Classified By
Cuvier, 1830
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Damselfishes (Pomacentridae)

Distribution

Region
Indo-West Pacific
Distribution
Indo-West Pacific: Red Sea and East Africa to Fiji, north to Ryukyu Islands, south to the southern Great Barrier Reef. Recently reported from Tonga (Ref. 53797).
Range
32°N - 30°S

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
0 m
Depth To - meters
3 m
Zone
reef-associated
Environment
Marine; reef-associated; non-migratory; depth range 0 - 3 m (Ref. 4391)
Trophic Level
2.08 s.e. 0.13 Based on diet studies.
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
10.0 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: minor commercial; aquarium: commercial
Vulnerability
Low vulnerability (21 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