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Oxydoras niger (Valenciennes, 1821)

Ripsaw catfish
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Image of Oxydoras niger (Ripsaw catfish)
Oxydoras niger
Picture by Magalhães, K.

klasifikasi / Names Nama-nama umum | Sinonim (persamaan) | Catalog of Fishes(Marga, Jenis) | ITIS | CoL | WoRMS | Cloffa

> Siluriformes (Catfishes) > Doradidae (Thorny catfishes) > Doradinae
Etymology: Oxydoras: Greek, oxys = sharp + Greek, dora = skin (Ref. 45335).
More on author: Valenciennes.

Issue
Occurrence in Orinoco basin tentative, dependent upon identification of questionable synonym Oxydoras holdeni Fernández-Yépez; specimens of Oxydoras niger reported from Venezuela by Fernández-Yépez 1968:57 pertain to Oxydoras sifontesi Fernández-Yépez. Species-level distinctiveness of São Francisco and Amazonas Oxydoras not investigated.

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

; air tawar dasar (demersal); pH range: 6.0 - 7.8; dH range: ? - 25. Tropical; 21°C - 24°C (Ref. 2060)

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

South America: Amazon, São Francisco and Essequibo River basins. Possibly in the Orinoco River basin.

Length at first maturity / Size / Weight / umur

Maturity: Lm 62.5  range ? - ? cm
Max length : 100.0 cm SL jantan/; (Ref. 37054); common length : 59.0 cm SL jantan/; (Ref. 9081); Berat maksimum terpublikasi: 11.0 kg (Ref. 40637); Berat maksimum terpublikasi: 11.0 kg

Biologi     Daftar kata (contoh epibenthic)

Occurs over mud in streams and lakes. Forms schools (Ref. 9084). Feeds on detritus, chironomid and ephemeropteran larvae, and crustaceans (Ref. 9096). Known from temperatures ranging from 24-29.8 °C, pH range of 5-9, and an alkalinity range of 42-142.

Life cycle and mating behavior Maturities | Reproduksi, perkembang biakan | Spawnings | Egg(s) | Fecundities | Larva

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

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)

Status IUCN Red List (Ref. 130435)

  kurang bimbang (LC) ; Date assessed: 02 December 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

ancaman kepada manusia

  Harmless





penggunaan manusia

Perikanan: nilai komersial kecil; Akuarium: Komersial
FAO - Publication: search | FishSource |

informasi lanjut

Trophic ecology
Bahan makanan
Diet compositions
Food consumptions
Food rations
Pemangsa
Ecology
Ekologi
Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
ukuran frekuensi
Mass conversions
Recruitments
Abundances
Life cycle
Reproduksi, perkembang biakan
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
Larva
Dinamika larva
Anatomy
Gill areas
Otak
Otoliths
Physiology
Body compositions
Nutrients
Oxygen consumptions
Swimming type
Swimming speeds
Visual pigment(s)
Suara-suara ikan
Diseases / Parasites
Toxicities (LC50s)
Genetics
Genetika
Electrophoreses
Heritabilities
Human related
Aquaculture systems
profil budidaya air
Strain
Ciguatera cases
Stamps, coins, misc.
Outreach
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References
Acuan

Alat, peralatan

laporan khas

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Sumber internet

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.6250   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00680 - 0.01852), b=3.07 (2.93 - 3.21), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trophic level (Ref. 69278):  2.8   ±0.29 se; based on food items.
Daya lenting (Ref. 120179):  Rendah, Waktu penggandaan populasi minimum 4.5 - 14 tahun (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  High to very high vulnerability (73 of 100).
kategori harga (Ref. 80766):   Unknown.