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Siluriformes (Catfishes) >
Sisoridae (Sisorid catfishes) > Sisorinae
Etymology: Gagata: Local fish name, kenyakatta, in Bengal; dolichonema: From the Karen name 'niya gasawyuh' ('niya' - prefix for fish; 'gasaw' - elephant; 'yuh' - fear = 'the fish that elephants are afraid to step on')..
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten bentopelagisk. Tropical
Asia: Upper Salween River basin in China and Irrawaddy, Salween and Tenasserim River basins in Myanmar.
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 13.0 cm SL hane/ej könsbestämd; (Ref. 40780)
Taggstrålar i ryggfenan (totalt) : 1; Mjukstrålar i ryggfenan (totalt) : 6; Taggstrålar i analfenan: 3; Mjukstrålar i analfenan: 10; Ryggkotor: 38 - 39. Dorsal part of thoracic region with 4 black stripes. Median longitudinal groove extending to end of occipital process. Maxillary barbel longer than head. Dorsal-fin spine produced into long filament. Pectoral-fin spine with without filamentous projection. Anal fin with 3 simple rays, 11 branched rays. Eye diameter shorter than snout length. Isthmus with no finger-like projections (Ref. 40780). Gill opening extending to belly and brachial membrane connected to isthmus (Ref. 45563).
Life cycle and mating behavior
Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver
Roberts, T.R. and C.J. Ferraris Jr., 1998. Review of South Asian sisorid catfish genera Gagata and Nangra, with descriptions of a new genus and five new species. Proc. Calif. Acad. Sci. 50(14):315-345. (Ref. 40780)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00676 (0.00307 - 0.01489), b=3.01 (2.83 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).