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Overview

Comprehensive Description

Biology

Inhabit turbid inshore waters with sandy to muddy bottoms to a depth of 75 m. Enter estuaries, may tolerate water with low salinity. Often associated with inshore wrecks (Ref. 4332). Feed on crustaceans and fish (Ref. 5213, 48635). Spawners form shoals near river mouths during the winter. Good food fish (Ref. 2799).
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Distribution

Indo-West Pacific: Red Sea and east coast of Africa to southeast Asia, north to Taiwan, south to Queensland, Australia.
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Red Sea, Indo-West Pacific: East Africa east to Philippines, north to Taiwan, south to Exmouth Gulf (Western Australia) and Queensland (Australia).
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Physical Description

Morphology

Dorsal spines (total): 12; Dorsal soft rays (total): 13 - 15; Analspines: 3; Analsoft rays: 7 - 8
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Size

Maximum size: 800 mm TL
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Max. size

80.0 cm TL (male/unsexed; (Ref. 5213))
  • Fischer, W., I. Sousa, C. Silva, A. de Freitas, J.M. Poutiers, W. Schneider, T.C. Borges, J.P. Feral and A. Massinga 1990 Fichas FAO de identificaçao de espécies para actividades de pesca. Guia de campo das espécies comerciais marinhas e de águas salobras de Moçambique. Publicaçao preparada em collaboraçao com o Instituto de Investigaçao Pesquiera de Moçambique, com financiamento do Projecto PNUD/FAO MOZ/86/030 e de NORAD. Roma, FAO. 1990. 424 p. (Ref. 5213)   http://www.fishbase.org/references/FBRefSummary.php?id=5213&speccode=151 External link.
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Diagnostic Description

Description

Inhabits turbid inshore waters with sandy to muddy bottoms to a depth of 75 m. Also caught using bottom longlines. Feeds on crustaceans and fish (Ref. 5213). Often associated with inshore wrecks (Ref. 4332).
  • 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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Body is slender; the head profile slightly convex; lips not thickened; 2 pores and a central groove under the chin. No antrorse spine before the dorsal fin origin; a deep notch between the spinous and the soft-rayed portion of the dorsal fin. Color is generally silvery with a golden tint on the sides; the upper operculum olive-yellow; the snout dusky, overlain with yellow. Young specimens have 7-11 vertical bands on the upper sides; older ones with bands formed by spots aligned in vertical rows.
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Ecology

Habitat

Environment

reef-associated; brackish; marine; depth range ? - 75 m (Ref. 2799)
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Depth range based on 41 specimens in 1 taxon.
Water temperature and chemistry ranges based on 12 samples.

Environmental ranges
  Depth range (m): 1 - 125
  Temperature range (°C): 22.789 - 28.013
  Nitrate (umol/L): 0.137 - 8.608
  Salinity (PPS): 32.901 - 35.100
  Oxygen (ml/l): 3.006 - 4.593
  Phosphate (umol/l): 0.078 - 0.819
  Silicate (umol/l): 2.277 - 14.521

Graphical representation

Depth range (m): 1 - 125

Temperature range (°C): 22.789 - 28.013

Nitrate (umol/L): 0.137 - 8.608

Salinity (PPS): 32.901 - 35.100

Oxygen (ml/l): 3.006 - 4.593

Phosphate (umol/l): 0.078 - 0.819

Silicate (umol/l): 2.277 - 14.521
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Depth: 0 - 75m.
Recorded at 75 meters.

Habitat: reef-associated. Javelin grunter.  (Cuvier, 1830)  Attains 45 cm. A resident of muddy estuaries and deeper banks off river mouths and estuaries. An excellent food fish. Indo-Pacific south to Transkei.
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Trophic Strategy

Live in sandy or muddy areas in shallow coastal waters (Ref. 9137). Juveniles enter the estuaries and mangroves from the sea and spend their life cycle in brackish water (Ref. 43081).
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Pomadasys kaakan

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 1
Specimens with Barcodes: 19
Species With Barcodes: 1
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Source: Barcode of Life Data Systems (BOLD)

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Barcode data: Pomadasys kaakan

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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Genomic DNA is available from 1 specimen with morphological vouchers housed at Research Collection of Slava Ivanenko
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Source: Ocean Genome Resource

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Conservation

Threats

Not Evaluated
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Relevance to Humans and Ecosystems

Benefits

Importance

fisheries: commercial; aquaculture: commercial; gamefish: yes
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