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> Siluriformes (Catfishes) > Pangasiidae (Shark catfishes)
Etymology: Pangasius: The Vietnamese name of a fish (Ref. 45335); silasi: Named for Dr. E.G. Silas, who has made important contributions to taxonomy of Indian fish species, their biogeography and evolutionary divergence with the eminent scientist Prof. S. L. Hora..

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

; acqua dolce demersale. Tropical

Distribuzione Stati | Aree FAO | Ecosystems | Presenze | Point map | Introduzioni | Faunafri

Asai: Krishna River at Nagarjuna Sagar Dam in Telangana, India.

Size / Peso / Age

Maturity: L_m ? range ? - ? cm
Max length : 40.7 cm SL maschio/sesso non determinato; (Ref. 117930)

Short description Chiavi di identificazione | Morfologia | Morfometria

P. silasi differs from its congener P. pangasius by having vomero-palatal teeth confluent as an uninterrupted curved band (vs. two lunate vomeropalatal teeth patches on each side with a wide gap in the center) and 48 vertebrae (vs. 44). It is also distinguished from P. myanmar, which is reported from Myanmar and has overlapping distribution with P. pangasius. It is also diagnosed from all congeners by its vomero-palatine dentition (Ref. 117930).

Facultative air-breathing (Ref. 126274)

Life cycle and mating behavior Maturities | Riproduzione | Spawnings | Egg(s) | Fecundities | Larve

Main reference Upload your references | Bibliografia | Coordinatore | Collaboratori

Dwivedi, A.K., B.K. Gupta, R.K. Singh, V. Mohindra, S. Chandra, S. Easawarn, J. Jena and K.K. Lal, 2017. Cryptic diversity in the Indian clade of the catfish family Pangasiidae resolved by the description of a new species. Hydrobiologia 797:351-370. (Ref. 117930)

IUCN Red List Status (Ref. 130435)

Data deficient (DD) ; Date assessed: 23 August 2022

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

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Trophic ecology
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Ecology
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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01072 (0.00450 - 0.02549), b=3.01 (2.80 - 3.22), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 2.9 ±0.4 se; based on size and trophs of closest relatives

Fishing Vulnerability (Ref. 59153): Moderate vulnerability (40 of 100).

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Pangasius silasi Dwivedi, Gupta, Singh, Mohindra, Chandra, Easawarn, Jena & Lal, 2017