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> Siluriformes (Catfishes) > Doradidae (Thorny catfishes) > Doradinae
Etymology: Trachydoras: Greek, trachys, -eia, -ys = rough + Greek, doras = skin (Ref. 45335); gepharti: Named for George W. Gephart, Jr., President & CEO of the Academy of Natural Sciences of Drexel University from 2010 to 2017, for his bold, deft and heartfelt leadership of a Glorious Enterprise into its third century..

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

; air tawar; payau dasar (demersal); kisaran kedalaman ? - 10 m (Ref. 116857). Tropical

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

South America: Amazon and Orinoco basins in Brazil, Guyana, Peru and Venezuela.

Size / Weight / umur

Maturity: L_m ? range ? - ? cm
Max length : 7.1 cm SL jantan/; (Ref. 116857)

deskripsi pendek Morfologi | Morfometrik

Duri punggung (Keseluruhan (total)): 2; duri punggung lunak (Keseluruhan (total)): 6; Sirip dubur lunak: 12 - 15

Occurs usually along sandy beaches in large black and clearwater tributaries. Often forms schools at night in shallower water (<2 m) flowing swiftly over sandy bottoms. Shoals with Trachydoras microstomus in the Orinoco and T. nattereri and Trachydoras sp. 'mancha-caudal' in the río Nanay, Peru. Feeds mainly on midge larvae. The gut contents of an adult specimen measuring 5.94 cm SL from Rio Orinoco consisted mainly of chironomids (multiple species, mostly larvae, few pupae) along with a few ceratopogonids (larvae) and an empidid pupae) (Ref. 116857).

Life cycle and mating behavior Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fecundity | Larva

rujukan utama Upload your references | Acuan | Koordinator : Ferraris, Jr., Carl J. | mitra

Sabaj, M.H. and M.A. Hernández, 2017. Taxonomic assesment of the hard-nosed thornycats (Siluriformes: Doradidae: Trachydoras Eigenmann 1925) with description of Trachydoras gepharti, n. sp. Proc. Acad. Nat. Scie. Philadelphia 166:1-53. (Ref. 116857)

Status IUCN Red List (Ref. 130435)

kurang bimbang (LC) ; Date assessed: 15 February 2021

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

ancaman kepada manusia

Harmless

penggunaan manusia

FAO - Publication: search | FishSource |

informasi lanjut

Negara-negara
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Sumber internet

Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01413 (0.00605 - 0.03300), b=3.01 (2.81 - 3.21), 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

Daya lenting (Ref. 120179): Tinggi, Waktu penggandaan populasi minimum kurang dari 15 bulan (Preliminary K or Fecundity.).

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

Trachydoras gepharti Sabaj & Arce H., 2017