Overview
Comprehensive Description
Biology
Prefers coralline areas (Ref. 30573). Migrates to specific sandy areas near outer reef edge to spawn in late afternoons during full moon. Feeds on small benthic organisms living on sandy bottoms (Ref. 3409, 48635). In Palau, migrates to specific sandy spots near the outer reef edge to spawn in late afternoons around full moon (Ref. 37816). Forms schools. Feeds on small invertebrates found in the sand. Marketed fresh (Ref. 12915).
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Myers, R.F. 1991 Micronesian reef fishes. Second Ed. Coral Graphics, Barrigada, Guam. 298 p. (Ref. 1602)
http://www.fishbase.org/references/FBRefSummary.php?id=1602&speccode=4306
© WorldFish Center - FishBase
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FishBase
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Distribution
Distribution
Chagos, Mozambique, Seychelles, Somalia, South Africa (country), Tanzania
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MacNae, W. & M. Kalk (eds) (1958). A natural history of Inhaca Island, Mozambique. Witwatersrand Univ. Press, Johannesburg. I-iv, 163 pp.
http://www.marinespecies.org/aphia.php?p=sourcedetails&id=6266
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Anon. (1996). FishBase 96 [CD-ROM]. ICLARM: Los Baños, Philippines. 1 cd-rom pp.
http://www.marinespecies.org/aphia.php?p=sourcedetails&id=5909
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Anon. (2000). FishBase 2000 [CD-ROM]. ICLARM: Los Baños, Laguna, Philippines. 4 cd-roms pp.
http://www.marinespecies.org/aphia.php?p=sourcedetails&id=6542
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Smith, J.L.B. & M.M. Smith (1963). The fishes of Seychelles. Department of Ichthyology, Rhodes University. Grahamstown.
http://www.marinespecies.org/aphia.php?p=sourcedetails&id=5926
© WoRMS for SMEBD
Source:
World Register of Marine Species
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Indo-Pacific: Red Sea and East Africa to Samoa and Tonga, north to the Ryukyu Islands, south to New Caledonia.
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Iwatsuki, Y., S. Kimura and T. Yoshino 2001 Redescription of Gerres longirostris (Lacepède, 1801) and Gerres oblongus Cuvier in Cuvier and Valenciennes, 1830, included in the Gerres longirostris complex (Perciformes: Gerreidae). Copeia (4):954-965. (Ref. 41108)
http://www.fishbase.org/references/FBRefSummary.php?id=41108&speccode=5801
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FishBase
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Physical Description
Morphology
Dorsal spines (total): 9; Dorsal soft rays (total): 10; Analspines: 3; Analsoft rays: 7
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Iwatsuki, Y., S. Kimura and T. Yoshino 2001 Redescription of Gerres longirostris (Lacepède, 1801) and Gerres oblongus Cuvier in Cuvier and Valenciennes, 1830, included in the Gerres longirostris complex (Perciformes: Gerreidae). Copeia (4):954-965. (Ref. 41108)
http://www.fishbase.org/references/FBRefSummary.php?id=41108&speccode=5801
© WorldFish Center - FishBase
Source:
FishBase
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Size
Max. size
30.0 cm SL (male/unsexed; (Ref. 1602))
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Myers, R.F. 1991 Micronesian reef fishes. Second Ed. Coral Graphics, Barrigada, Guam. 298 p. (Ref. 1602)
http://www.fishbase.org/references/FBRefSummary.php?id=1602&speccode=4306
© WorldFish Center - FishBase
Source:
FishBase
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Diagnostic Description
Description
Migrates to specific sandy areas near outer reef edge to spawn in late afternoons to spawn during full moon. Feeds on small benthic organisms living on sandy bottoms (Ref. 3409).
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Anon. (1996). FishBase 96 [CD-ROM]. ICLARM: Los Baños, Philippines. 1 cd-rom pp.
http://www.marinespecies.org/aphia.php?p=sourcedetails&id=5909
© WoRMS for SMEBD
Source:
World Register of Marine Species
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Scales between 5th dorsal fin spine base and lateral line , 4-4.5. Upper jaw extending almost to the level of anterior margin of dermal eye opening. Second dorsal fin spine longest, 19-26% fo SL (mean 23%). Caudal fin dusky (rarely with dark distal margin); lower edge of lower caudal fin hyaline. Dusky stripes absent or very indistinct along scale rows above lateral line (sometimes 4-9 slightly oblique dusky bands in specimens less than about 10 cm SL); 4-9 slightly oblique dusky bands or columns of ovoid dark spots (rarely brownish) immediately below lateral line, but more obvious in preserved or stressed live specimens (Ref. 41108).
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Iwatsuki, Y., S. Kimura and T. Yoshino 2001 Redescription of Gerres longirostris (Lacepède, 1801) and Gerres oblongus Cuvier in Cuvier and Valenciennes, 1830, included in the Gerres longirostris complex (Perciformes: Gerreidae). Copeia (4):954-965. (Ref. 41108)
http://www.fishbase.org/references/FBRefSummary.php?id=41108&speccode=5801
© WorldFish Center - FishBase
Source:
FishBase
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Ecology
Habitat
Depth range based on 7 specimens in 1 taxon.
Water temperature and chemistry ranges based on 4 samples.
Environmental ranges
Depth range (m): 0.15 - 8.5
Temperature range (°C): 25.681 - 28.006
Nitrate (umol/L): 0.002 - 0.402
Salinity (PPS): 34.563 - 39.538
Oxygen (ml/l): 4.503 - 4.797
Phosphate (umol/l): 0.131 - 0.220
Silicate (umol/l): 1.005 - 4.752
Graphical representation
Depth range (m): 0.15 - 8.5
Temperature range (°C): 25.681 - 28.006
Nitrate (umol/L): 0.002 - 0.402
Salinity (PPS): 34.563 - 39.538
Oxygen (ml/l): 4.503 - 4.797
Phosphate (umol/l): 0.131 - 0.220
Silicate (umol/l): 1.005 - 4.752
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.
Water temperature and chemistry ranges based on 4 samples.
Environmental ranges
Depth range (m): 0.15 - 8.5
Temperature range (°C): 25.681 - 28.006
Nitrate (umol/L): 0.002 - 0.402
Salinity (PPS): 34.563 - 39.538
Oxygen (ml/l): 4.503 - 4.797
Phosphate (umol/l): 0.131 - 0.220
Silicate (umol/l): 1.005 - 4.752
Graphical representation
Depth range (m): 0.15 - 8.5
Temperature range (°C): 25.681 - 28.006
Nitrate (umol/L): 0.002 - 0.402
Salinity (PPS): 34.563 - 39.538
Oxygen (ml/l): 4.503 - 4.797
Phosphate (umol/l): 0.131 - 0.220
Silicate (umol/l): 1.005 - 4.752
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.
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Trophic Strategy
Occurs inshore (Ref. 75154). Prefers coralline areas (Ref. 30573); forms schools (Ref. 12915, 75154). Migrates to specific sandy areas near outer reef edge to spawn in late afternoons during full moon. Feeds on small benthic organisms living on sandy bottoms (Ref. 3409, 12915).
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Myers, R.F. 1991 Micronesian reef fishes. Second Ed. Coral Graphics, Barrigada, Guam. 298 p. (Ref. 1602)
http://www.fishbase.org/references/FBRefSummary.php?id=1602&speccode=4306
© WorldFish Center - FishBase
Source:
FishBase
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Molecular Biology and Genetics
Molecular Biology
Barcode data: Gerres oblongus
The following is a representative barcode sequence, the centroid of all available sequences for this species.
There is 1 barcode sequence available from BOLD and GenBank. Below is the sequence of the barcode region Cytochrome oxidase subunit 1 (COI or COX1) from a member of the species. See the BOLD taxonomy browser for more complete information about this specimen. Other sequences that do not yet meet barcode criteria may also be available.
Download FASTA File
There is 1 barcode sequence available from BOLD and GenBank. Below is the sequence of the barcode region Cytochrome oxidase subunit 1 (COI or COX1) from a member of the species. See the BOLD taxonomy browser for more complete information about this specimen. Other sequences that do not yet meet barcode criteria may also be available.
FSCS223-06|FSCS 84-l-2|Gerres oblongus| ------------------------------------------CTCTACCTTGTCTTCGGTGCTTGAGCTGGAATGGGTAGCACAGCCTTG---AGCCTACTCATCCGAGCTGAGCTAAGCCAACCCGGCTCTCTCTTAGGAGAT---GACCAAATCTACAATGTCATTGTTACCGCTCACGCATTCGTAATAATTTTTTTTATAGTAATACCAATCATGATTGGAGGCTTCGGAAACTGACTGATCCCACTAATG---ATCGGAGCCCCAGATATGGCATTCCCCCGAATGAACAATATGAGCTTCTGACTTCTCCCTCCTTCATTCTTGCTTCTCTTGGCCTCTTCAGGCGTAGAGGCCGGAGCCGGAACGGGATGAACCGTCTACCCCCCTCTATCTGGAAATTTAGCCCATGCTGGAGCATCCGTCGACCTA---ACAATTTTCTCCCTCCACCTGGCGGGTATTTCATCAATCTTAGGAGCTATCAATTTCATCACCACTATCATCAACATAAAACCACCAGCCATTTCTCAGTACCAAACACCCCTTTTCGTCTGAGCAGTGCTAATTACCGCAGTTCTTCTTCTCCTCTCACTTCCTGTCCTAGCTGCT---GGTATTACTATGCTTCTGACAGACCGAAACCTGAACACTACCTTCTTCGACCCTGCAGGAGGTGGTGACCCAATCCTTTACCAACACCTA-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
-- end --
-- end --
Download FASTA File
© Barcode of Life Data Systems
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Statistics of barcoding coverage: Gerres oblongus
Barcode of Life Data Systems (BOLDS) Stats
Public Records: 1
Species: 5
Species With Barcodes: 1
Public Records: 1
Species: 5
Species With Barcodes: 1
© Barcode of Life Data Systems
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Conservation
Threats
Not Evaluated
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IUCN 2006 2006 IUCN red list of threatened species. www.iucnredlist.org. Downloaded July 2006.
http://www.fishbase.org/references/FBRefSummary.php?id=57073
© WorldFish Center - FishBase
Source:
FishBase
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Relevance to Humans and Ecosystems
Benefits
Importance
fisheries: commercial
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Wantiez, L. 1993 Les poissons des fonds meubles du lagon Nord et de la Baie de Saint-Vincent de Nouvelle-Calédonie: Description des peuplements, structure et fonctionnement des communautés. Ph.D. Thesis, Université d' Aix-Marseille II, France. (Ref. 9070)
http://www.fishbase.org/references/FBRefSummary.php?id=9070&speccode=4750
© WorldFish Center - FishBase
Source:
FishBase
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