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> Siluriformes (Catfishes) > Plotosidae (Eeltail catfishes)
Etymology: Tandanus: A local name, tandan, in Australia.

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

; air tawar dasar (demersal); potamodromous (Ref. 51243); kisaran kedalaman 10 - ? m. Temperate; 5°C - 25°C (Ref. 2060); 12°S - 43°S

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

Oceania: endemic to Australia.

Length at first maturity / Size / Weight / umur

Maturity: L_m 45.0 range ? - ? cm
Max length : 90.0 cm TL jantan/; (Ref. 5259); common length : 45.0 cm TL jantan/; (Ref. 5259); Berat maksimum terpublikasi: 6.8 kg (Ref. 36739); Umur maksimum dilaporkan: 8 Tahun (Ref. 1107)

deskripsi pendek Kunci identifiaksi (pengenalan) | Morfologi | Morfometrik

Head large; thick and fleshy lips; nostrils tubular. First dorsal fin high, with a strong serrated spine and 6 rays. Skin tough and smooth. Body coloration in adults vary from olive-green to brown, black or purplish dorsally and white ventrally. Urogenital papilla triangular in females; longer and cylindrical in males.

Adults inhabit slow moving streams, lakes and ponds with fringing vegetation. They swim close to sand or gravel bottoms. More abundant in lakes than in flowing water (Ref. 44894). Usually solitary but juveniles sometimes form loose aggregations. Mainly bottom-feeders (Ref. 44894). Feed on insect larvae, prawns, crayfish, mollusks, and small fishes. Breeding occurs between spring and mid-summer when water temperatures rise to between 20° and 24°C (Ref. 44894). Utilized for human consumption.

Life cycle and mating behavior Maturities | Reproduksi, perkembang biakan | Spawnings | Egg(s) | Fecundities | Larva

Water temperature (20-24 °C) considered the primary spawning stimulus. There is direct pairing during spawning. Male builds nest (0.6-2.0 m in diameter) and cares for eggs in the nest up to 2 weeks. The nest is made of gravel and rocks with a central sandy depression in which the female deposits up to 20,000 eggs depending on her size (Ref. 5259). Eggs scattered into the rubble are tended and guarded by the male after the female departs (Ref. 205). Hatching occurs in 7-10 days at 18°C (Ref. 240).

rujukan utama Upload your references | Acuan | Koordinator | mitra

Allen, G.R., 1989. Freshwater fishes of Australia. T.F.H. Publications, Inc., Neptune City, New Jersey. (Ref. 5259)

Status IUCN Red List (Ref. 130435)

kurang bimbang (LC) ; Date assessed: 13 February 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

ancaman kepada manusia

Venomous (Ref. 4537)

penggunaan manusia

Perikanan: komersial; Ikan buruan: ya; Akuarium: Komersial

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00646 (0.00279 - 0.01495), b=3.07 (2.87 - 3.27), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).

Trophic level (Ref. 69278): 3.3 ±0.48 se; based on food items.

Generation time: 11.0 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies.

Daya lenting (Ref. 120179): Rendah, Waktu penggandaan populasi minimum 4.5 - 14 tahun (tm=5; K=0.10).

Fishing Vulnerability (Ref. 59153): Moderate vulnerability (37 of 100).

kategori harga (Ref. 80766): Unknown.

Tandanus tandanus (Mitchell, 1838)