You selected Wallago attu valeya Deraniyagala, 1953. This is a synonym for:

Accepted scientific name:
Wallago attu (Bloch & Schneider, 1801) (accepted name) 1 literature reference for Wallago attu (Bloch & Schneider, 1801)
Synonyms:
Callichrous macrostomus (Swainson, 1839) (synonym) 1 literature reference for Callichrous macrostomus (Swainson, 1839)
Pinniwallago kanpurensis (non Gupta, Jayaram & Hajela, 1981) (misapplied name) 1 literature reference for Pinniwallago kanpurensis (non Gupta, Jayaram & Hajela, 1981)
Silurus attu Bloch & Schneider, 1801 (synonym) 1 literature reference for Silurus attu Bloch & Schneider, 1801
Silurus boalis Hamilton, 1822 (ambiguous synonym) 1 literature reference for Silurus boalis Hamilton, 1822
Silurus macrostomus Swainson, 1839 (synonym) 1 literature reference for Silurus macrostomus Swainson, 1839
Silurus muelleri Bleeker, 1846 (synonym) 1 literature reference for Silurus muelleri Bleeker, 1846
Silurus mulleri Bleeker, 1846 (synonym) 1 literature reference for Silurus mulleri Bleeker, 1846
Silurus wallago Valenciennes, 1840 (synonym) 1 literature reference for Silurus wallago Valenciennes, 1840
Silurus wallagoo Valenciennes, 1840 (synonym) 1 literature reference for Silurus wallagoo Valenciennes, 1840
Wallago attu valeya Deraniyagala, 1953 (synonym) 1 literature reference for Wallago attu valeya Deraniyagala, 1953
Wallago russelli Bleeker, 1854 (synonym) 1 literature reference for Wallago russelli Bleeker, 1854
Wallago russellii Bleeker, 1854 (synonym) 1 literature reference for Wallago russellii Bleeker, 1854
Wallagonia athu (Bloch & Schneider, 1801) (synonym) 1 literature reference for Wallagonia athu (Bloch & Schneider, 1801)
Wallagonia attu (Bloch & Schneider, 1801) (synonym) 1 literature reference for Wallagonia attu (Bloch & Schneider, 1801)
Wallagu attu (Bloch & Schneider, 1801) (synonym) 1 literature reference for Wallagu attu (Bloch & Schneider, 1801)
Common names:
Common name Language Country
Barali Assamese India Click here to show the literature
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Parhin Assamese India Click here to show the literature
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Poil Assamese India Click here to show the literature
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Sareng Assamese India Click here to show the literature
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Barali Bengali India Click here to show the literature
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Bayali Bengali India Click here to show the literature
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Boal Bengali Bangladesh Click here to show the literature
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Boyali Bengali India Click here to show the literature
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Koyali Bengali India Click here to show the literature
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Nga-bat Burmese Myanmar Click here to show the literature
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Boal English India Click here to show the literature
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Freshwater shark English Bangladesh Click here to show the literature
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Freshwater shark English USA Click here to show the literature
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Giant sheatfish English USA Click here to show the literature
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Shark catfish English Sri Lanka Click here to show the literature
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Wallago English United Kingdom Click here to show the literature
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Wallago English USA Click here to show the literature
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Intianpetomonni Finnish Finland Click here to show the literature
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Hubschrauber-Wels German Germany Click here to show the literature
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Padin Gujarati India Click here to show the literature
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Barwari Hindi India Click here to show the literature
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Boalee Hindi India Click here to show the literature
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Boyari Hindi India Click here to show the literature
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Paran Hindi India Click here to show the literature
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Valai Hindi India Click here to show the literature
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Wallah Hindi India Click here to show the literature
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Cangop Javanese Indonesia Click here to show the literature
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Jambal Javanese Indonesia Click here to show the literature
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Baalae Kannada India Click here to show the literature
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Bahle Kannada India Click here to show the literature
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Balae Kannada India Click here to show the literature
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Chate Kannada India Click here to show the literature
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Godlay Kannada India Click here to show the literature
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Parhin Khasi India Click here to show the literature
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Chhke nhy Khmer Cambodia Click here to show the literature
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Kropaut Khmer Cambodia Click here to show the literature
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Sandai Khmer Cambodia Click here to show the literature
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Trey kråpoat Khmer Cambodia Click here to show the literature
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Trey sanday Khmer Cambodia Click here to show the literature
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Khao Laotian Laos Click here to show the literature
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Pa khao Laotian Laos Click here to show the literature
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Jambal Malay (individual language) Indonesia Click here to show the literature
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Attu vaalay Malayalam India Click here to show the literature
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Attu-valai Malayalam India Click here to show the literature
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Attuvaala Malayalam India Click here to show the literature
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Pozha wallah Malayalam India Click here to show the literature
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Wallah Malayalam India Click here to show the literature
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叉尾鯰 Mandarin Chinese China Click here to show the literature
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叉尾鲶 Mandarin Chinese China Click here to show the literature
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Barali Manipuri India Click here to show the literature
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Balu shivada Marathi India Click here to show the literature
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Pahree Marathi India Click here to show the literature
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Pari Marathi India Click here to show the literature
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Pattan Marathi India Click here to show the literature
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Purram Marathi India Click here to show the literature
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Shivada Marathi India Click here to show the literature
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Valashivda Marathi India Click here to show the literature
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Warshoorah Marathi India Click here to show the literature
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Bohari Nepali Nepal Click here to show the literature
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Padni Nepali Nepal Click here to show the literature
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Ballai Oriya India Click here to show the literature
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Boabe Oriya India Click here to show the literature
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Boallee Oriya India Click here to show the literature
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Mully Punjabi India Click here to show the literature
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Walaya Sinhalese Sri Lanka Click here to show the literature
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Valai Tamil India Click here to show the literature
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Vazhai Tamil India Click here to show the literature
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Wallah Tamil India Click here to show the literature
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Athiyala Telugu India Click here to show the literature
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Valaga Telugu India Click here to show the literature
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Valuga Telugu India Click here to show the literature
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Walagah Telugu India Click here to show the literature
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Wallagah Telugu India Click here to show the literature
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Pla khao Thai Thailand Click here to show the literature
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ปลาเค้า Thai Thailand Click here to show the literature
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Cá leo Vietnamese Viet Nam Click here to show the literature
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Classification:
Animalia
Phylum Chordata
Class Actinopterygii
Order Siluriformes
Family Siluridae
Genus Wallago
Distribution: Asia: Pakistan to Viet Nam and Indonesia. Reported from Afghanistan (Ref. 39701). Lower risk - near threatened status in Western Ghats, India (Ref. 44149).
Additional data: Author from Eschmeyer (Ref. 43552).
Source database: FishBase, Jan 2011
Latest taxonomic scrutiny: -
Online resource: http://www.fishbase.org/Summary/SpeciesSummary.php?ID=10243
CoL taxon LSID: urn:lsid:catalogueoflife.org:taxon:d13ecdab-2dc5-11e0-98c6-2ce70255a436:col20110201