All FishesSiluridaeWallago

Hop to next section All Fishes Data Sheet
Scientific Name Wallago leerii  Bleeker, 1851
Common Names Helicopter Catfish
Trey Stuak (Cambodia)
Type Locality Sambas, w. Borneo; Palembang, s. Sumatra, Indonesia.
Synonym(s) Ompok nebulosus, Wallago nebulosus, Wallago tweediei, Wallagonia leerii, Wallagonia tweediei
Pronunciation wall AH go - lee ree aye
Etymology Wallago: After its Telugu and Tamil names Walaga (Telugu and Tamil are both Dravidian languages of South India). 
Hop to next section Species Information
Size 2000mm or 78.7" SL. Find near, nearer or same sized spp.
Identification 1) mouth reaching only to anterior of eye
2) mandibular barbel shorter than pelvic fin
3) 12-16 gill rakers on first arch
4) 64-75 anal-fin rays
Sexing Males have a more slender genital papilla immediately in front of anus.
General Remarks Found in large upland rivers from Thailand to Indonesia. Population from mainland Southeast Asia (Thailand, Laos, Cambodia and southern Vietnam) represents a different species recently described as W. micropogon. Less common in the wild than Wallago attu.
Hop to next section Habitat Information
Distribution Peninsular Malaysia and the Greater Sunda Islands (except northeast Borneo, where the closely related W. maculatus occurs).
Pacific, Malaysia Waters, Peninsular Malaysia Waters (click on these areas to find other species found there)
Pacific, Greater Sunda Island Rivers (click on these areas to find other species found there)

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pH 5.0 - 7.0
Temperature 20.0-25.0°C or 68-77°F (Show species within this range)
Hop to next section Husbandry Information
Feeding Active predator. Will eat only live foods (fish or frogs) at first, but can be trained to take strips of raw meat.
Furniture Large driftwood as a hiding place desirable, although not necessary. Bare tank makes cleaning easier.
Compatibility A solitary predator, will attempt to eat any tankmates.
Suggested Tankmates None.
Breeding Not known and impossible in the home aquarium, given its size.
Breeding Reports There is no breeding report.
Hop to next section Further Information
References Natuurkd. Tijdschr. Neder. Indiëv. 2 - pp427
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Last Update 2019 May 22 14:07 (species record created: 2002 Feb 15 00:00)