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).
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Distribution

Indo-West Pacific: eastern Indian Ocean (Rowely Shoals, Scott Reef, and Ashmore Reef) and Indonesia.
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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
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Size

Maximum size: 70 mm NG
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Max. size

7.0 cm TL (male/unsexed; (Ref. 9710))
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Diagnostic Description

Differs from similar species in having yellow ventrally from head to tail and the even blue hue on the body (Ref. 48636).
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Ecology

Habitat

Environment

reef-associated; non-migratory; marine; depth range 1 - 38 m (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
 
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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.
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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).
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Conservation

Threats

Not Evaluated
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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)   http://www.fishbase.org/references/FBRefSummary.php?id=40944&speccode=187 External link.
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