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> Siluriformes (Catfishes) > Siluridae (Sheatfishes)
Etymology: Wallago: wallago;Bleeker, in 1851, took the Indian fish name, gave it generic range and used it connection with a new species. The name is "walaga" in Telugu / Tamil (Ref. 45335).
More on author: Bleeker.

Environment: milieu / climate zone / depth range / distribution range Ecologie

; zoet water demersaal; potamodroom (Ref. 51243). Tropical; 10°N - 8°S

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Asia: Thailand to Indonesia. Reports of this species from the Mekong River basin are misidentifications of Wallgo micropogon (Ref. 51260).

Grootte / Gewicht / Leeftijd

Maturity: L_m ? range ? - ? cm
Max length : 150 cm TL mannelijk / geslacht onbekend; (Ref. 7050); max. gepubliceerd gewicht: 86.0 kg (Ref. 2091)

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Dorsale stekels (totaal) : 1; Dorsale zachte stralen (totaal) : 4; Anale zachte stralen: 60 - 75. Differs from all other congeners by having a jet black pectoral-fin membranes. Branchiostegal rays 15-18 (Ref. 2091). Corner of mouth reaching only to anterior margin of eye (Ref. 7050).

Adults inhabit large streams and rivers (Ref. 12455). Fry occur at the mouth of small streams connected to larger rivers, where the bottom is muddy and with overhanging vegetation (Ref. 56749). Feeds on prawns (Ref. 56749). Oviparous, distinct pairing possibly like other members of the same family (Ref. 205). Fishermen along Kapuas in Indonesia observed that it used to form large migratory schools in Kapuas mainstream but such schools had become less noticeable, and this was attributed to intensive gill netting. Usually consumed fresh or processed as salted fish (Ref. 56749). Reaches more than 150 cm TL (Ref. 7050).

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Roberts, T.R., 1989. The freshwater fishes of Western Borneo (Kalimantan Barat, Indonesia). Mem. Calif. Acad. Sci. 14:210 p. (Ref. 2091)

Status op de Rode Lijst van het IUCN (Ref. 130435)

Niet bedreigd (LC) ; Date assessed: 04 June 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless

Gebruik door de mens

Visserij: commercieel

FAO - Publication: search | FishSource |

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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00562 (0.00278 - 0.01137), b=3.00 (2.83 - 3.17), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trofisch niveau (Ref. 69278): 4.5 ±0.80 se; based on food items.

Weerstandsvermogen (Ref. 120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Assuming Fec > 10,000).

Fishing Vulnerability (Ref. 59153): Very high vulnerability (90 of 100).

Prijsklasse (Ref. 80766): Unknown.

Wallago leerii Bleeker, 1851