Pangasius conchophilus — Details

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Overview

Comprehensive Description

Biology

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Occurs in large rivers (Ref. 12693) and enters flooded forests (Ref. 9497). Found in rapids and in deep slow reaches (Ref. 37771). Juveniles feed on prawns and insects; subadults and adults on prawns, insects and particularly mollusks which are more predominant in stomach contents than in any other Pangasius species (Ref. 7432) and on plants (Ref. 9497). Migrates into the middle Mekong along the Thai-Lao border as water levels and turbidity begin to increase. Reproduces early in the flood season and juveniles of 6 to 7 cm are taken by late June (Ref. 12693). Marketed fresh (Ref. 12693).
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Distribution

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Asia: Mekong, Bangpakong, and Chao Phraya basins.
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Physical Description

Morphology

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Analsoft rays: 25 - 30
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Size

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Maximum size: 575 mm ---
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Max. size

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120 cm SL (male/unsexed; (Ref. 30857))
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Diagnostic Description

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Dorsum dull grey with pale green iridescence; maxillary band of teeth forms a continuous row with no break in midline (Ref. 12693). Snout protruding with upper jaw tooth bands partly exposed when mouth is closed; large median vomerine tooth plate (Ref. 43281).
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Ecology

Habitat

Environment

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benthopelagic; potamodromous (Ref. 51243); freshwater
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Migration

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Potamodromous. Migrating within streams, migratory in rivers, e.g. Saliminus, Moxostoma, Labeo. Migrations should be cyclical and predictable and cover more than 100 km.
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Pangasius conchophilus

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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.
 
FOAD236-05|BW-1796|Pangasius conchophilus| ------------------------------------------CTCTATCTAGTATTTGGTGCCTGAGCCGGAATAGTTGGTACAGCCCTT---AGCCTGCTAATTCGGGCAGAGCTAGCCCAACCCGGCGCCCTCCTGGGCGAC---GACCAAATTTATAATGTCATTGTCACTGCCCATGCCTTCGTAATAATTTTCTTTATAGTAATACCAATTATGATTGGAGGCTTCGGAAACTGACTTGTCCCCCTAATA---ATCGGAGCACCAGACATGGCATTCCCCCGAATAAATAATATGAGCTTTTGACTACTTCCACCCTCCTTCCTACTACTACTCGCCTCCTCTGGAGTTGAAGCAGGAGCAGGAACAGGATGAACTGTTTATCCGCCTTTAGCTGGAAACCTTGCACACGCCGGAGCTTCCGTAGATTTA---ACTATTTTCTCTCTTCATCTGGCAGGGGTCTCATCTATTCTAGGGGCCATTAATTTTATTACAACTATTATTAATATAAAACCCCCAGCAATTTCACAGTACCAAACACCTTTATTTGTGTGAGCTGTACTAATTACAGCTGTGCTTCTACTACTATCTCTACCCGTATTAGCCGCT---GGCATTACAATACTTCTAACAGACCGAAATCTAAATACTACATTCTTCGATCCTGCGGGAGGAGGAGATCCCATTCTATATCAACATCTT-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------  
-- end --

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Statistics of barcoding coverage: Pangasius conchophilus

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Barcode of Life Data Systems (BOLDS) Stats
Public Records: 1
Species: 4
Species With Barcodes: 1

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Conservation

Threats

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Not Evaluated
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Relevance to Humans and Ecosystems

Benefits

Importance

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fisheries: minor commercial; aquaculture: likely future use
  • Singhanouvong, D., C. Soulignavong, K. Vonghachak, B. Saadsy and T.J. Warren 1996 The main wet-season migration through Hoo Som Yai, a steep-gradient channel at the great fault line on the Mekong River, Champassack Province, Southern Lao PDR. Indigenous Fishery Development Project, Fisheries Ecology Technical Report No. 4. Technical Section, Dept. of Livestock-Fisheries, Ministry of Agriculture-Forestry, Lao People's Democratic Republic. 115 p. (Ref. 37771)   http://www.fishbase.org/references/FBRefSummary.php?id=37771&speccode=13307 External link.
  • Roberts, T.R. and C. Vidthayanon 1991 Systematic revision of the Asian catfish family Pangasiidae, with biological observations and descriptions of three new species. Proc. Acad. Nat. Sci. Philad. 143:97-144. (Ref. 7432)   http://www.fishbase.org/references/FBRefSummary.php?id=7432&speccode=292 External link.
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