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Diagnostic Description

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Body shields in 5 rows; dorsal shields 11 to 15, lateral shields 32 to 47 and ventral 7 to 10.
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Recorder
Rodolfo B. Reyes
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Life Cycle

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The gray morph females in the Amur River reproduce at least every four years (Ref. 40142).
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Recorder
Armi G. Torres
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Migration

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Anadromous. Fish that ascend rivers to spawn, as salmon and hilsa do. Sub-division of diadromous. Migrations should be cyclical and predictable and cover more than 100 km.
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Recorder
Tess Cruz
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Morphology

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Dorsal spines (total): 0; Dorsal soft rays (total): 38 - 53; Analspines: 0; Analsoft rays: 20 - 32
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Recorder
Rodolfo B. Reyes
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Trophic Strategy

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Occur in stretches of river with sandy or stony bottom. Feed on benthic organisms. Highly prized fish (Ref. 41072).
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Recorder
Grace Tolentino Pablico
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Biology

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Adults occur in stretches of rivers with sandy or stony bottom. Feed on benthic organisms. Highly prized fish (Ref. 41072).
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Recorder
Tess Cruz
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Importance

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fisheries: commercial
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Recorder
Tess Cruz
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Fishbase