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Pylodictis olivaris (Rafinesque, 1818)

Flathead catfish
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Pylodictis olivaris
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United States (contiguous states) country information

Common names: Catfish, Flathead catfish
Occurrence: native
Salinity: freshwater
Abundance: fairly common (chances are about 50%) | Ref: Page, L.M. and B.M. Burr, 2011
Importance: commercial | Ref: Missouri Department of Conservation, 2008
Aquaculture: | Ref:
Regulations: | Ref:
Uses: gamefish: yes;
Comments: Known from the Lower Great Lakes and Mississippi River basins from western Pennsylvania to White-Little Missouri River system in North Dakota, and south to Louisiana; and Gulf Slope from Mobile Bay drainage in Georgia and Alabama (Ref. 86798). Occurs in Big Blue, Neosho rivers, Kansas (Ref. 3987) and occasionally in Chesapeake watershed (tidal portion of the James River) (Ref. 27549). A recreational fishery exists in the country (Ref. 52559). Also Ref. 5723, 10294.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/us.html
National Fisheries Authority: http://www.nmfs.gov
Occurrences: Occurrences Point map
Main Ref: Page, L.M. and B.M. Burr, 2011
National Database:

Common names from other countries

Bagre piltonte, Barbue à tête plate, Pintontle, ... more

分類 / Names 俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa

Teleostei > Siluriformes (Catfishes) 鯰形目 (Catfishes) > Ictaluridae (North American freshwater catfishes) 鮰科 (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 生態學

; 淡水 居於水底的.   溫帶; ? - 33°C (Ref. 12741); 47°N - 26°N, 108°W - 80°W (Ref. 86798)

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | 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.
北美洲: 來自西方的賓州到的五大湖下游與密西西比河流域在達科塔北方部的白色-小的密蘇里河流域, 而且南至在美國的路易斯安那; 從在喬治亞州與阿拉巴馬州的摩比灣流域到墨西哥的海灣斜坡。 移植了在美國的其他地方。

Length at first maturity / 大小 / 重量 / 年齡

Maturity: Lm 48.3, range 46 - 50.8 cm
Max length : 155 cm TL 雄魚/尚未辨別雌雄; (Ref. 86798); 最大體重: 55.8 kg (Ref. 40637); 最大年齡: 25 年 (Ref. 120825)

生物學特性     字彙 (例如 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).

棲息於有圓木與其他殘礫的水池在坡度緩之到中等的-坡度，小型到大型河川。 也發現於湖與圈圍水域。 幼魚出現在岩石的與多沙的支流與急流.(參考文獻 5723) 稚魚吃水生的昆蟲不成熟的在急流區域中.(參考文獻 10294)

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚

北美洲: 來自西方的賓州到的五大湖下游與密西西比河流域在達科塔北方部的白色-小的密蘇里河流域, 而且南至在美國的路易斯安那; 從在喬治亞州與阿拉巴馬州的摩比灣流域到墨西哥的海灣斜坡。 移植了在美國的其他地方。

主要參考資料 Upload your references | 參考文獻 | 合作者 | 合作者

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)

IUCN 瀕危狀態 (Ref. 130435)

  無危 (LC) ; Date assessed: 01 March 2012

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

  無害處的




人類使用

漁業: 商業性; 游釣魚種: 是的; 水族館: 公眾的水族館
FAO(漁業: 產生; publication : search) | FishSource |

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World Records Freshwater Fishing | 動物學的記錄

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=0.00550 (0.00412 - 0.00733), b=3.13 (3.04 - 3.22), in cm Total Length, based on LWR estimates for this species (Ref. 93245).
營養階層 (Ref. 69278):  3.8   ±0.3 se; based on diet studies.
回復力 (Ref. 120179):  低的, 最小族群倍增時間4.5 - 14 年 (K=0.06-0.38; tm=3-6; tmax=34; Fec=6,900).
Fishing Vulnerability (Ref. 59153):  High vulnerability (62 of 100).
價格種類 (Ref. 80766):   Unknown.