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Overview

Comprehensive Description

Biology

Inhabits reef flats and shallow protected reefs, often in dead reef areas (Ref. 9710). Secretive during the day (Ref. 37816).
  • Randall, J.E. 1998 Revision of the Indo-Pacific squirrelfishes (Beryciformes: Holocentridae: Holocentrinae) of the genus Sargocentron, with descriptions of four new species. Indo-Pac. Fish. (27):105 p. (Ref. 27370)
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Distribution

Indo-West Pacific: East Africa south to Mozambique (but not the Red Sea) and east to the Marshall, except the northern Marshalls (Ref. 37816) and Society islands. Recorded from the Mediterranean.
  • Randall, J.E. 1998 Revision of the Indo-Pacific squirrelfishes (Beryciformes: Holocentridae: Holocentrinae) of the genus Sargocentron, with descriptions of four new species. Indo-Pac. Fish. (27):105 p. (Ref. 27370)
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Indo-West Pacific: East Africa, Seychelles, Madagacar and Mauritius (Mascarenes) east to Society Islands, north to Ryukyu Islands, south to Queensland (Australia) and New Caledonia.
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Physical Description

Morphology

Dorsal spines (total): 11; Dorsal soft rays (total): 12 - 13; Analspines: 4; Analsoft rays: 8 - 9
  • Myers, R.F. 1989 Micronesian reef fishes: A practical guide to the identification of the inshore marine fishes of the tropical central and western Pacific. First Edition. Coral Graphics, Barrigada, Guam. 298 p. (Ref. 4538)
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Size

Maximum size: 320 mm ---
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Max. size

32.0 cm TL (male/unsexed; (Ref. 5213))
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Diagnostic Description

Description

Inhabits shallow water, more often in coral reefs.
  • Anon. (1996). FishBase 96 [CD-ROM]. ICLARM: Los Baños, Philippines. 1 cd-rom pp.
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Body with dark brown to brownish red stripes, alternating with silvery white stripes. The upper 2 dark stripes often ending in an elongate dark brown spot at the base of the soft portion of the dorsal fin; the third curving downward to end at mid-base of caudal fin; the 4th ending just before the caudal peduncle; the 5th and 6th stripes converging posteriorly on lower edge of caudal peduncle; 7th and 8th ending in a dark blotch at the rear base of soft part of anal fin. Four oblique scale rows on cheek; body depth 2.6-2.8 in SL; head length (HL) 2.65-2.9 in SL; short and blunt snout, length 4.4-5.1 in HL; interorbital width 3.9-4.4 in HL; mouth terminal to slightly inferior, maxilla often extending to below center of the eye, upper jaw length 2.35-2.55 in HL; premaxillary groove often reaching above anterior edge of orbit; anterior end of nasal bone ending in a spine; surface or medial edge of nasal bone spineless; nasal fossa without spinules (occasionally large specimens with one spinule on anterior edge of fossa); upper edge of first suborbital bone with a slightly retrorse lateral spine, followed by a low ridge of recumbent spinules; preopercular spine 1.5-2.2 in orbit diameter, 3.7-5.8 in HL; 3rd-5th dorsal spines subequal, the longest 1.85-2.2 in HL; 3rd anal spine 1.25-1.5 in HL (Ref. 27370).
  • Myers, R.F. 1989 Micronesian reef fishes: A practical guide to the identification of the inshore marine fishes of the tropical central and western Pacific. First Edition. Coral Graphics, Barrigada, Guam. 298 p. (Ref. 4538)
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Ecology

Habitat

Environment

reef-associated; marine; depth range 1 - 20 m (Ref. 90102)
  • Allen, G.R. and M.V. Erdmann 2012 Reef fishes of the East Indies. Perth, Australia: Universitiy of Hawai'i Press, Volumes I-III. Tropical Reef Research. (Ref. 90102)
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Depth range based on 32 specimens in 1 taxon.
Water temperature and chemistry ranges based on 29 samples.

Environmental ranges
  Depth range (m): 0.3 - 12.2
  Temperature range (°C): 24.198 - 29.003
  Nitrate (umol/L): 0.054 - 0.537
  Salinity (PPS): 32.183 - 35.924
  Oxygen (ml/l): 4.279 - 4.847
  Phosphate (umol/l): 0.085 - 0.332
  Silicate (umol/l): 1.103 - 14.847

Graphical representation

Depth range (m): 0.3 - 12.2

Temperature range (°C): 24.198 - 29.003

Nitrate (umol/L): 0.054 - 0.537

Salinity (PPS): 32.183 - 35.924

Oxygen (ml/l): 4.279 - 4.847

Phosphate (umol/l): 0.085 - 0.332

Silicate (umol/l): 1.103 - 14.847
 
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Depth: 1 - 5m.
From 1 to 5 meters.

Habitat: reef-associated.
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Trophic Strategy

Found in inshore waters. Nocturnal species (Ref. 75154).
  • Hoese, D.F., D.J. Bray, J.R. Paxton and G.R. Allen 2006 Fishes. In Beasley, O.L. and A. Wells (eds.) Zoological Catalogue of Australia. Volume 35.2 Australia: ABRS & CSIRO Publishing, 1472 p. (Ref. 75154)
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Sargocentron praslin

The following is a representative barcode sequence, the centroid of all available sequences for this species.


No available public DNA sequences.

Download FASTA File
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Statistics of barcoding coverage: Sargocentron praslin

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 1
Specimens with Barcodes: 6
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: minor commercial; price category: medium; price reliability: very questionable: based on ex-vessel price for species in this family
  • Randall, J.E. 1984 Holocentridae. In W. Fischer and G. Bianchi (eds.) FAO species identification sheets for fishery purposes. Western Indian Ocean fishing area 51. Vol. 2. (Ref. 3418)
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