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Overview

Comprehensive Description

Biology

Adults occur in protected inner reef flats and shallow lagoons and channels, over rubble and rocky outcrops. Feed primarily on filamentous algae (Ref. 7247). 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-Pacific: East Africa to the Marshall and Gilbert islands and Samoa, north to the Ryukyu Islands, south to Australia.
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Indo-West Pacific.
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Physical Description

Morphology

Dorsal spines (total): 13; Dorsal soft rays (total): 12 - 14; Analspines: 2; Analsoft rays: 13 - 14
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Size

Maximum size: 110 mm NG
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Max. size

12.5 cm TL (male/unsexed; (Ref. 48600))
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Diagnostic Description

Description

Occurs in protected inner reef flats and shallow lagoons and channels, over rubble and rocky outcrops. Feeds primarily on filamentous algae.
  • Anon. (1996). FishBase 96 [CD-ROM]. ICLARM: Los Baños, Philippines. 1 cd-rom pp.
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Source: World Register of Marine Species

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Bluish or purplish spots at the posterior base of the dorsal fin. Juveniles with large ocellus that reduces with size and lacks completely in adults. The white band in young reduces to a small white saddle in large adults (Ref. 48636).
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Ecology

Habitat

Environment

reef-associated; non-migratory; marine; depth range 0 - 5 m (Ref. 7247)
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Depth range based on 104 specimens in 1 taxon.
Water temperature and chemistry ranges based on 85 samples.

Environmental ranges
  Depth range (m): 0.15 - 9.6075
  Temperature range (°C): 24.659 - 29.336
  Nitrate (umol/L): 0.050 - 0.644
  Salinity (PPS): 32.886 - 40.307
  Oxygen (ml/l): 4.290 - 4.825
  Phosphate (umol/l): 0.083 - 0.257
  Silicate (umol/l): 0.910 - 4.776

Graphical representation

Depth range (m): 0.15 - 9.6075

Temperature range (°C): 24.659 - 29.336

Nitrate (umol/L): 0.050 - 0.644

Salinity (PPS): 32.886 - 40.307

Oxygen (ml/l): 4.290 - 4.825

Phosphate (umol/l): 0.083 - 0.257

Silicate (umol/l): 0.910 - 4.776
 
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Depth: 0 - 5m.
Recorded at 5 meters.

Habitat: reef-associated.
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Trophic Strategy

Occurs in protected inner reef flats and shallow lagoons and channels, over rubble and rocky outcrops. Feeds primarily on filamentous algae.
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Life History and Behavior

Life Cycle

Oviparous, distinct pairing during breeding (Ref. 205). Eggs are deposited inside empty shells or under stones or shells (Ref. 36479). Males guard and aerate the eggs (Ref. 205).
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Chrysiptera biocellata

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 9
Species With Barcodes: 1
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Source: Barcode of Life Data Systems (BOLD)

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Conservation

Threats

Not Evaluated
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Relevance to Humans and Ecosystems

Benefits

Importance

fisheries: minor commercial; aquarium: commercial; price category: unknown; price reliability:
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