You can sponsor this page

Phractocephalus hemioliopterus (Bloch & Schneider, 1801)

Redtail catfish
Upload your photos and videos
Pictures | Google image
Image of Phractocephalus hemioliopterus (Redtail catfish)
Phractocephalus hemioliopterus
Picture by Jean-Francois Helias / Fishing Adventures Thailand

Classification / Names Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa

> Siluriformes (Catfishes) > Pimelodidae (Long-whiskered catfishes)
Etymology: Phractocephalus: Greek, phraktos = fence + Greek, kephale = head (Ref. 45335).
More on authors: Bloch & Schneider.

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

; sötvatten bottenlevande; pH range: 5.5 - 6.8; dH range: ? - 10; flodvandrande (Ref. 51243). Tropical; 20°C - 26°C (Ref. 2060)

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

South America: Amazon and Orinoco River basins.

Length at first maturity / Size / Vikt / Age

Maturity: Lm ?, range 85 - ? cm
Max length : 135 cm TL hane/ej könsbestämd; (Ref. 111518); common length : 60.0 cm TL hane/ej könsbestämd; (Ref. 12193); publicerad maxvikt: 44.2 kg (Ref. 40637)

Biologi     Ordlista (t.ex. epibenthic)

Feeds on fish, crabs and fruits (Ref. 6868). The species is introduced but not established in Florida.

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Main reference Upload your references | referenser | Koordinator | Medarbetare

Lundberg, J.G. and M.W. Littmann, 2003. Pimelodidae (Long-whiskered catfishes). p. 432-446. 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. 36506)

IUCN Red List Status (Ref. 130435: Version 2024-2)

  Least Concern (LC) ; Date assessed: 27 December 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fiskeri: mindre kommeriell; sportfisk: ja; Akvarium: Kommersiell
FAO - Publication: search | FishSource |

Ytterligare information

Trophic ecology
Födoslag
Födosammansättning
Födointag
Food rations
Predatorer
Ecology
Ekologi
Population dynamics
Tillväxtparametrar
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Rekrytering
Abundans
Life cycle
Reproduktion
Könsmognad
Maturity/Gills rel.
Fecundity
Lek
Spawning aggregations
Ägg
Egg development
Larver
Larvdynamik
Anatomy
Gälyta
Brain
Otolith
Physiology
Body composition
Nutrients
Syreförbrukning
Swimming type
Simhastighet
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Genetics
Genetik
Heterozygosity
Ärftlighet
Human related
Aquaculture systems
Vattenbruksprofiler
Avelslinjer
Ciguatera cases
Stamps, coins, misc.
Outreach
Medarbetare
References
referenser

Verktyg

Special reports

Download XML

Internet-källor

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00912 (0.00510 - 0.01632), b=3.07 (2.92 - 3.22), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trofisk nivå (Ref. 69278):  4.2   ±0.73 se; based on food items.
Resiliens (Ref. 120179):  Låg, lägsta populationsfördubblingstid 4,5-14 år (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Very high vulnerability (81 of 100).
Price category (Ref. 80766):   Unknown.