Overview

Comprehensive Description

Biology

Inhabits coral reefs (Ref. 9710, 48635) and outer reef slopes (Ref. 37816, 48635). Sometimes in large schools of more than 100 individuals. Often solitary (Ref. 48635). Feeds mainly on small fishes and crustaceans. Generally uncommon (Ref. 9710).
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Distribution

Indo-Pacific: mainly the Indo-Australian Archipelago from the Solomon Islands to Sumatra, and from off Cape York Peninsula, Australia, northward to the Philippines; also occurring in the central and eastern Indian Ocean as far west as Maldives.
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Indo-West Pacific.
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Physical Description

Morphology

Dorsal spines (total): 11; Dorsal soft rays (total): 12; Analspines: 3; Analsoft rays: 8
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Size

Maximum size: 200 mm TL
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Max. size

25.0 cm TL (male/unsexed; (Ref. 48635))
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Diagnostic Description

Snout profile low, sloping very gently. Preorbital bone narrow, its width less than half of eye diameter. Preopercular notch and knob poorly developed. Scale rows on back rising obliquely above lateral line. Generally dark brown of the upper part of the head and body with a broad white horizontal band immediately below. The lower part of the head and body dusky brown with a suffusion of yellow. A pair of white spots is on the back just below the dorsal fin base.
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Ecology

Habitat

Environment

reef-associated; marine; depth range 3 - 36 m (Ref. 9710)
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Depth range based on 14 specimens in 1 taxon.
Water temperature and chemistry ranges based on 10 samples.

Environmental ranges
  Depth range (m): 2.135 - 37
  Temperature range (°C): 28.384 - 29.336
  Nitrate (umol/L): 0.062 - 0.594
  Salinity (PPS): 32.464 - 34.516
  Oxygen (ml/l): 4.130 - 4.549
  Phosphate (umol/l): 0.105 - 0.359
  Silicate (umol/l): 1.322 - 5.009

Graphical representation

Depth range (m): 2.135 - 37

Temperature range (°C): 28.384 - 29.336

Nitrate (umol/L): 0.062 - 0.594

Salinity (PPS): 32.464 - 34.516

Oxygen (ml/l): 4.130 - 4.549

Phosphate (umol/l): 0.105 - 0.359

Silicate (umol/l): 1.322 - 5.009
 
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Depth: 3 - 36m.
From 3 to 36 meters.

Habitat: reef-associated.
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Trophic Strategy

Found inshore (Ref. 75154). Sometimes occurs in large schools of more than 100 individuals. Feeds on fish and crustaceans (Ref. 55).
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Lutjanus biguttatus

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 5
Species With Barcodes: 1
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Conservation

Threats

Not Evaluated
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Relevance to Humans and Ecosystems

Benefits

Importance

fisheries: commercial
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Disclaimer

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