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> Siluriformes (Catfishes) > Sisoridae (Sisorid catfishes) > Sisorinae
Etymology: Erethistoides: Greek, erethizo = that irritates + Greek, suffix oides = similar (Ref. 45335); ascita: From the Latin adjective ascitus, meaning strange, in reference to the unusual pattern of serration on the anterior edge of the pectoral spine..

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

; Água doce demersal; pH range: 7.5 - 8.0. Tropical; ? - 30°C (Ref. 55978)

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Asia: Nepal.

Tamanho / Peso / Idade

Maturity: L_m ? range ? - ? cm
Max length : 4.0 cm TL macho/indeterminado; (Ref. 85009)

Descrição breve Chaves de identificação | Morfologia | Morfometria

Vértebras: 27 - 30. Distinguished from congeners in having serrations on the anterior edge of the pectoral spine diverging at the distal quarter (vs. middle) and in having flattened and elongate plaque-like tubercles (vs. rounded tubercles) on the head and body. Both E. ascita and E. cavatura differ from E. montana and E. pipri in having a longer caudal peduncle (19.3-22.5% SL vs. 14.4-17.3). Both species differ further from E. montana in having a more slender body (body depth at anus 8.6-10.5% SL vs. 10.6-11.4) and from E. sicula by the absence (vs. present) of slight median depression on the lower lip margin. E. ascita differs further from E. cavatura in having the serrations on the anterior edge of the pectoral spine more sideways (vs. anteriorly) directed, a smaller eye (13.2-17.6% HL vs. 17.7-20.9) and nostrils (the length of the narial complex 53-75% of interorbital width vs. 77-90), and from E. sicula. In having a deeper caudal peduncle (5.4-6.2% SL vs. 4.1-5.1) (Ref. 55978).

Found in pebble and cobble riffles with moderate depth of about 20 cm (Ref. 55978).

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Referência principal Upload your references | Referências | Coordenador | Colaboradores

Ng, H.H. and D.R. Edds, 2005. Two new species of Erethistoides (Teleostei: Erethistidae) from Nepal. Ichthyol. Explor. Freshwat. 16(3):239-248. (Ref. 55978)

Categoria na Lista Vermelha da IUCN (Ref. 130435)

Dados insuficientes (DD) ; Date assessed: 21 December 2009

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Ameaça para o homem

Harmless

Utilização humana

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00794 (0.00284 - 0.02223), b=3.08 (2.84 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Nível Trófico (Ref. 69278): 3.1 ±0.4 se; based on size and trophs of closest relatives

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

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Erethistoides ascita Ng & Edds, 2005