Overview

Comprehensive Description

Biology

Adults inhabit lagoon and near shore reefs, usually among branching corals. Found in small aggregation, usually with Acropora corals (Ref. 48636). Feed on plankton about 0.3 to 0.5 m above substratum. Oviparous, distinct pairing during breeding (Ref. 205). Eggs are demersal and adhere to the substrate (Ref. 205). Males guard and aerate the eggs (Ref. 205).
  • Allen, G.R. 1991 Damselfishes of the world. Mergus Publishers, Melle, Germany. 271 p. (Ref. 7247)
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Distribution

Indo-West Pacific: eastern Indian Ocean (Rowely Shoals, Scott Reef, and Ashmore Reef) and Indonesia.
  • Allen, G.R. 1991 Damselfishes of the world. Mergus Publishers, Melle, Germany. 271 p. (Ref. 7247)
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Indo-West Pacific: northwestern Australia, Sulawesi, western New Guinea and Kei Islands.
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Physical Description

Morphology

Dorsal spines (total): 13; Dorsal soft rays (total): 10 - 12; Analspines: 2; Analsoft rays: 11 - 12
  • Allen, G.R. 1991 Damselfishes of the world. Mergus Publishers, Melle, Germany. 271 p. (Ref. 7247)
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Size

Maximum size: 70 mm NG
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Max. size

7.0 cm TL (male/unsexed; (Ref. 9710))
  • Lieske, E. and R. Myers 1994 Collins Pocket Guide. Coral reef fishes. Indo-Pacific & Caribbean including the Red Sea. Haper Collins Publishers, 400 p. (Ref. 9710)
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Diagnostic Description

Description: Head and body blue with yellow ventral zone extending to ventral and caudal fins. Body depth 1.9-2.0 in SL (Ref. 90102).
  • Allen, G.R. 1991 Damselfishes of the world. Mergus Publishers, Melle, Germany. 271 p. (Ref. 7247)
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Ecology

Habitat

Environment

reef-associated; non-migratory; marine; depth range 1 - 38 m (Ref. 9710)
  • Lieske, E. and R. Myers 1994 Collins Pocket Guide. Coral reef fishes. Indo-Pacific & Caribbean including the Red Sea. Haper Collins Publishers, 400 p. (Ref. 9710)
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Depth range based on 8 specimens in 1 taxon.
Water temperature and chemistry ranges based on 6 samples.

Environmental ranges
  Depth range (m): 6 - 30
  Temperature range (°C): 28.212 - 29.266
  Nitrate (umol/L): 0.126 - 0.834
  Salinity (PPS): 32.276 - 34.417
  Oxygen (ml/l): 4.130 - 4.633
  Phosphate (umol/l): 0.071 - 0.380
  Silicate (umol/l): 1.174 - 6.058

Graphical representation

Depth range (m): 6 - 30

Temperature range (°C): 28.212 - 29.266

Nitrate (umol/L): 0.126 - 0.834

Salinity (PPS): 32.276 - 34.417

Oxygen (ml/l): 4.130 - 4.633

Phosphate (umol/l): 0.071 - 0.380

Silicate (umol/l): 1.174 - 6.058
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Depth: 1 - 38m.
From 1 to 38 meters.

Habitat: reef-associated.
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Trophic Strategy

Occurs inshore (Ref. 75154). Inhabits lagoon and near shore reefs, usually among branching corals. Feeds on plankton about 0.3 to 0.5 m above substratum.
  • Allen, G.R. 1991 Damselfishes of the world. Mergus Publishers, Melle, Germany. 271 p. (Ref. 7247)
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Life History and Behavior

Life Cycle

Oviparous, distinct pairing during breeding (Ref. 205). Eggs are demersal and adhere to the substrate (Ref. 205). Males guard and aerate the eggs (Ref. 205).
  • Breder, C.M. and D.E. Rosen 1966 Modes of reproduction in fishes. T.F.H. Publications, Neptune City, New Jersey. 941 p. (Ref. 205)
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Conservation

Threats

Not Evaluated
  • IUCN 2006 2006 IUCN red list of threatened species. www.iucnredlist.org. Downloaded July 2006.
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Relevance to Humans and Ecosystems

Benefits

Importance

aquarium: commercial
  • Anonymous 2001 On reef fisheries exploitation and trade in Indonesia. p. 41-44. In Country Status Overview 2001on reef fisheries exploitation and trade in Indonesia. Ministry of Marine Affairs and Fisheries, Telepak Indo. Found. And International Marine Alliance (IMA) Indonesia. Indonesia. (Ref. 40944)
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