Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

> Siluriformes (Catfishes) > Doradidae (Thorny catfishes) > Doradinae
Etymology: Megalodoras: Greek, megas, megalos = great + Greek, doras = skin (Ref. 45335).
More on authors: Eigenmann & Eigenmann.

Issue
Species-level distinctiveness of Tocantins and Amazonas Megalodoras not investigated.

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

; süßwasser demersal. Tropical; 22°C - 25°C (Ref. 2059)

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

South America: Amazon, Tocantins and Essequibo River basins.

Length at first maturity / Size / Gewicht / Alter

Maturity: L_m ?, range 54 - ? cm
Max length : 53.0 cm SL Männchen/unbestimmt; (Ref. 9081); 60.0 cm SL (female); common length : 49.0 cm SL Männchen/unbestimmt; (Ref. 9081); max. veröff. Gewicht: 2.9 kg (Ref. 9081); max. veröff. Gewicht: 2.9 kg

Occurs in small groups and occasionally forms schools. Inhabits rivers. Is mainly diurnal. Feeds on the fruits of Licania longipetala and Astrocaryum jauary. Also feeds on pulmonate snails (Ref. 9086).

Life cycle and mating behavior Maturities | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven

Hauptreferenz Upload your references | Referenzen | Koordinator : Ferraris, Jr., Carl J. | Partner

Sabaj, M.H. and C.J. Ferraris Jr., 2003. Doradidae (Thorny catfishes). p. 456-469. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 37054)

IUCN Rote Liste Status (Ref. 130435)

nicht bedroht (LC) ; Date assessed: 30 July 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

Fischereien: kommerziell

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 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01000 (0.00559 - 0.01790), b=3.06 (2.90 - 3.22), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).

Trophic level (Ref. 69278): 2.7 ±0.39 se; based on food items.

Widerstandsfähigkeit (Ref. 120179): mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Moderate to high vulnerability (49 of 100).

Preiskategorie (Ref. 80766): Unknown.

Megalodoras uranoscopus (Eigenmann & Eigenmann, 1888)