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Pylodictis olivaris (Rafinesque, 1818)

Flathead catfish
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Image of Pylodictis olivaris (Flathead catfish)
Pylodictis olivaris
Picture by Østergaard, T.

Classificatie / Names Lokale namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

> Siluriformes (Catfishes) > Ictaluridae (North American freshwater catfishes)
Etymology: Pylodictis: Greek, pylos = mud + Greek, ichthys = fish (Ref. 45335);  olivaris: Pylodictis (Greek)=mud fish; olivaris (Latin)=olive-colored (Ref. 79012).
More on author: Rafinesque.

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

; zoet water demersaal. Subtropical; ? - 33°C (Ref. 12741); 47°N - 26°N, 108°W - 80°W (Ref. 86798)

Verspreiding Landen | FAO regio's | Ecosystemen | Voorkomen | Point map | Introducties | Faunafri

North America: Lower Great Lakes and Mississippi River basins from western Pennsylvania to White-Little Missouri River system in North Dakota, and south to Louisiana in USA; Gulf Slope from Mobile Bay drainage in Georgia and Alabama in USA to Mexico. Transplanted elsewhere in USA.

Lengte bij maturiteit / Grootte / Gewicht / Leeftijd

Maturity: Lm 48.3, range 46 - 50.8 cm
Max length : 155 cm TL mannelijk / geslacht onbekend; (Ref. 86798); max. gepubliceerd gewicht: 55.8 kg (Ref. 40637); max. gerapporteerde leeftijd: 25 Jaren (Ref. 120825)

Biologie     Verklarende woordenlijst (bv. epibenthic)

Adults inhabit pools with logs and other debris in low-gradient to moderate-gradient, small to large rivers. Also found in lakes and impoundments. Young occur in rocky and sandy runs and riffles (Ref. 5723, 86798). Juveniles feed on aquatic insect immature in riffle areas (Ref. 10294). Older individuals consume crayfish, clams and fishes (Ref. 93252).

Levenscyclus en paargedrag Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven

Hoofdreferentie Upload your references | Referenties | Coördinator | Medewerkers

Page, L.M. and B.M. Burr, 2011. A field guide to freshwater fishes of North America north of Mexico. Boston : Houghton Mifflin Harcourt, 663p. (Ref. 86798)

Status op de Rode Lijst van het IUCN (Ref. 130435)

  Niet bedreigd (LC) ; Date assessed: 01 March 2012

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless





Gebruik door de mens

Visserij: commercieel; sportvis: ja; Aquarium: Publieke aquaria
FAO - visserij: aanvoer; Publication: search | FishSource |

Meer informatie

Trophic ecology
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Food consumptions
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Tools

E-boek | Veldgids | Determinatiesleutels | Lengtefrequentie Tool | Levenscyclus tool | Verspreidingskaart | Classification Tree | Catch-MSY |

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Overzichtspagina | Puntgegevens | Lokale namen | Foto's

Internetbronnen

AFORO (otoliths) | Exoten/Invasieve soorten database | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Bekijk FishWatcher | CISTI | Catalog of Fishes: Genus, Soort(en) | DiscoverLife | ECOTOX | FAO - visserij: aanvoer; Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genoom, nucleotide | GloBI | GoMexSI (interaction data) | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: ga naar, zoek | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00550 (0.00412 - 0.00733), b=3.13 (3.04 - 3.22), in cm total length, based on LWR estimates for this species (Ref. 93245).
Trofisch niveau (Ref. 69278):  3.8   ±0.3 se; based on diet studies.
Generation time: 7.8 (6.9 - 9.5) years. Estimated as median ln(3)/K based on 24 growth studies.
Weerstandsvermogen (Ref. 120179):  laag, minimale populatieverdubbelingstijd 4,5-14 jaar (K=0.06-0.38; tm=3-6; tmax=34; Fec=6,900).
Fishing Vulnerability (Ref. 59153):  High vulnerability (62 of 100).
Prijsklasse (Ref. 80766):   Unknown.
Nutrients (Ref. 124155):  Calcium = 32.2 [18.3, 73.4] mg/100g; Iron = 1.17 [0.65, 2.08] mg/100g; Protein = 17.1 [15.0, 18.9] %; Omega3 = 0.467 [0.192, 1.143] g/100g; Selenium = 77.9 [32.5, 172.5] μg/100g; VitaminA = 14.8 [5.0, 45.4] μg/100g; Zinc = 0.595 [0.403, 0.893] mg/100g (wet weight);