Overview

Comprehensive Description

Biology

Adults inhabit coral reefs (Ref. 9710, 48635) and outer reef slopes (Ref. 37816, 48635). They sometimes form large schools of more than 100 individuals. Often solitary (Ref. 48635). Feed mainly on small fishes and crustaceans. Generally uncommon (Ref. 9710).
  • Allen, G.R. 1985 FAO Species Catalogue. Vol. 6. Snappers of the world. An annotated and illustrated catalogue of lutjanid species known to date. FAO Fish. Synop. 125(6):208 p. Rome: FAO. (Ref. 55)
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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.
  • Allen, G.R. 1985 FAO Species Catalogue. Vol. 6. Snappers of the world. An annotated and illustrated catalogue of lutjanid species known to date. FAO Fish. Synop. 125(6):208 p. Rome: FAO. (Ref. 55)
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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
  • Allen, G.R. and J.H. Talbot 1985 Review of the snappers of the genus Lutjanus (Pisces Lutjanidae) from the Indo-Pacific with the description of a new species. Indo-Pac. Fish. (11):87. (Ref. 469)
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Size

Maximum size: 200 mm TL
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Max. size

25.0 cm TL (male/unsexed; (Ref. 48635))
  • Kuiter, R.H. and T. Tonozuka 2001 Pictorial guide to Indonesian reef fishes. Part 1. Eels- Snappers, Muraenidae - Lutjanidae. Zoonetics, Australia. 302 p. (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 (Ref. 469). Description: Adults dorsal grey or dark brown, ventral dusky brown with suffusion of yellow, midlateral broad horizontal stripe white; spots 2 white below dorsal fin base. Juveniles dorsal and ventral white, midlateral broad horizontal stripe dark brown, spots 2 white faint. Body extremely slender (for the genus), depth max 3.5-3.8. Snout profile low, sloping very gently. Preorbital bone narrow, width less than half of eye diameter. Preopercular notch and knob indistinct. Dorsal scale rows rising obliquely above LL. (Ref. 469, 90102)
  • Allen, G.R. and J.H. Talbot 1985 Review of the snappers of the genus Lutjanus (Pisces Lutjanidae) from the Indo-Pacific with the description of a new species. Indo-Pac. Fish. (11):87. (Ref. 469)
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Ecology

Habitat

Environment

reef-associated; marine; depth range 3 - 36 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 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
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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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).
  • Allen, G.R. 1985 FAO Species Catalogue. Vol. 6. Snappers of the world. An annotated and illustrated catalogue of lutjanid species known to date. FAO Fish. Synop. 125(6):208 p. Rome: FAO. (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
  • 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

fisheries: commercial
  • Coppola, S.R., W. Fischer, L. Garibaldi, N. Scialabba and K.E. Carpenter 1994 SPECIESDAB: Global species database for fishery purposes. User's manual. FAO Computerized Information Series (Fisheries). No. 9. Rome, FAO. 103 p. (Ref. 171)
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