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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 authors: Bloch & Schneider.

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

; air tawar; payau dasar (demersal); potamodromous (Ref. 37770). Tropical; 22°C - 25°C (Ref. 2060); 38°N - 10°S

Penyebaran Negara-negara | Daerah-daerah FAO | Ecosystems | Kemunculan | Point map | Introduksi | Faunafri

Asia: Pakistan to Viet Nam and Indonesia. Reported from Afghanistan (Ref. 39701). Lower risk - near threatened status in Western Ghats, India (Ref. 44149).

Size / Weight / umur

Maturity: L_m ? range ? - ? cm
Max length : 240 cm TL jantan/; (Ref. 6028); common length : 75.0 cm TL jantan/; (Ref. 6028)

deskripsi pendek Morfologi | Morfometrik

duri punggung lunak (Keseluruhan (total)): 5; Sirip dubur lunak: 77 - 97. Head broad, snout depressed. Body elongate, strongly compressed. Mouth very deeply cleft, its corner reaching far behind eyes. Teeth in jaws set in wide bands; vomerine teeth in two small patches. Barbels two pairs; maxillary barbels extending to anterior margin posterior of anal fin, mandibulary barbels to angle of mouth. Eyes small, with a free orbital margin. Dorsal fin small, anal fin very long (Ref. 4792). Mandibular barbel longer than pelvic fin; 24-30 gill rakers on the first arch (Ref. 12693). Eye in front of vertical through corner of mouth (Ref. 43281).

Found in large rivers, lakes and tanks. A large, voracious and predatory catfish which thrives in heels with grassy margin (Ref. 6028); mostly hides under holes in river banks and canals (Ref. 44149). Associated with deep, still or slow-flowing water with a mud or silt substrate (Ref. 6028). Sluggish and stays on muddy or silty bottom in search of food. Juveniles feed mainly on insects; adults feed on smaller fish, crustaceans, and mollusks. Oviparous, distinct pairing possibly like other members of the same family (Ref. 205). Abundant during the warm season; a pre-monsoon summer breeder. In the Mekong, it is reported to migrate to smaller streams, canals and to the floodplain during the flood season (Ref. 37770). When the water level in the Mekong drops and the flood recedes, it moves to the Mekong or larger tributaries, where it stays in deep pools until the next inundation period (Ref. 37770). Destructive to other more valuable food-fishes. Bites strongly if handled, with its huge mouth, formidable jaws, and band of conical teeth. Threatened due to over harvesting (Ref. 58490).

Life cycle and mating behavior Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fecundity | Larva

rujukan utama Upload your references | Acuan | Koordinator | mitra

Talwar, P.K. and A.G. Jhingran, 1991. Inland fishes of India and adjacent countries. Volume 2. A.A. Balkema, Rotterdam, i-xxii + 543-1158, 1 pl. (Ref. 4833)

Status IUCN Red List (Ref. 130435)

Rentan, lihat daftar merah IUCN (VU) (A2d); Date assessed: 12 August 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

ancaman kepada manusia

Traumatogenic

penggunaan manusia

Perikanan: komersial; Ikan buruan: ya

FAO - Publication: search | FishSource |

informasi lanjut

Negara-negara
Daerah-daerah FAO
Ecosystems
Kemunculan
Introduksi
Stocks
Ekologi
Makanan
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Nama-nama umum
Sinonim (persamaan)
metabolisme
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Fecundity
telur-telur
pekembangan telor

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Pertumbuhan
panjang-berat
panjang-panjang
ukuran frekuensi
Morfometrik
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Larva
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pemulihan
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mitra
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laporan khas

semak penyelenggaraan akuarium | semak helaian fakta spesis | semak helaian fakta aqulcalture

muat turun XML

ringkasan halaman | Point data | Nama-nama umum | fotos/gambar

Sumber internet

Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00562 (0.00464 - 0.00681), b=2.99 (2.93 - 3.05), in cm total length, based on LWR estimates for this species (Ref. 93245).

Trophic level (Ref. 69278): 3.7 ±0.56 se; based on food items.

Daya lenting (Ref. 120179): Tinggi, Waktu penggandaan populasi minimum kurang dari 15 bulan (Fec = 66,070; K=0.6;).

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

kategori harga (Ref. 80766): Unknown.

Nutrients (Ref. 124155): Calcium = 84.8 [34.8, 224.1] mg/100g; Iron = 0.673 [0.340, 1.430] mg/100g; Protein = 15.6 [14.0, 17.6] %; Omega3 = 0.115 [0.054, 0.254] g/100g; Selenium = 78.4 [37.7, 185.3] μg/100g; VitaminA = 4.96 [1.12, 20.49] μg/100g; Zinc = 0.373 [0.244, 0.720] mg/100g (wet weight); based on nutrient studies.

Wallago attu (Bloch & Schneider, 1801)