You can sponsor this page

Piaractus mesopotamicus (Holmberg, 1887)

Pacu
上傳你的 相片 和 影像
 Pictures | Google 影像
Image of Piaractus mesopotamicus (Pacu)
Piaractus mesopotamicus
Picture by Lovshin, L.

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

Teleostei > Characiformes (Characins) > Serrasalmidae (Piranhas and pacus) > Colossomatinae
Etymology: Piaractus: Greek, piar = fat, the side with grease of a body + Greek, aktos , ago = to carry.

Issue
See Géry (1986: 102) for more detail.

Environment: milieu / climate zone / depth range / distribution range 生態學

; 淡水 居於水底的; 河川洄游 (Ref. 51243). 亞熱帶的; 15°S - 38°S, 66°W - 42°W

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

South America: Paraguay-Paraná River basin.
南美洲: 巴拉圭- 巴拉納河的流域。

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 40.5 cm SL 雄魚/尚未辨別雌雄; (Ref. 39031); 最大體重: 20.0 kg (Ref. 32894)

簡短描述 檢索表 | 型態特徵 | 形態測量圖

Dark grey to silver dorsally and laterally and white ventrally with a yellow breast.
深灰色的到銀色的背面而且側面地與腹側白色的具有一個黃色的胸部。

生物學特性     字彙 (例如 epibenthic)

Invades the flooded forests to feed on nuts and seeds which fall from trees (Ref. 32894). Reaches around 50.0 cm SL (Ref. 81048).

侵入被水淹沒的森林覓食堅果與從樹掉下的種子。

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

Assuming standard characid reproduction. Replace ASAP.南美洲: 巴拉圭- 巴拉納河的流域。

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

Lovshin, L.L., 1995. The colossomids. p. 153-159. In C.E. Nash and A.J. Novotny (eds.) World animal science: production of aquatic animals: fishes. Elsevier Science, Amsterdam, The Netherlands. (Ref. 32894)

IUCN 瀕危狀態 (Ref. 130435)

  近危 (NT) (A2bcde); Date assessed: 21 December 2020

CITES

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; 養殖: 商業性
FAO - Aquaculture systems: 產生; ; Publication: search | FishSource |

更多資訊

Trophic ecology
食物相
Diet compositions
Food consumptions
Food rations
捕食者
Ecology
生態學
Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
長度-頻率
Mass conversions
Recruitments
Abundances
Life cycle
繁殖
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
仔魚
稚魚動力學
Distribution
國家
FAO區域
生態系
發現紀錄
簡介
BRUVS - Videos
Anatomy
Gill areas
腦重體重比
Otoliths
Physiology
Body compositions
Nutrients
Oxygen consumptions
游泳類型
Swimming speeds
Visual pigment(s)
魚的聲音
Diseases / Parasites
Toxicities (LC50s)
Genetics
遺傳學
Electrophoreses
Heritabilities
Human related
Aquaculture systems
水產養殖描述
品種
Ciguatera cases
Stamps, coins, misc.
Outreach
合作者
Taxonomy
俗名
同種異名
型態特徵
形態測量圖
照片
References
參考文獻

工具

E-book | 野外調查 | 長度- 頻率 Wizard | 生活- 歷史的工具 | 分布圖 | Classification Tree | Catch-MSY |

特別的報告

查看水族館維護 | 查看魚種資料頁 | 查看水產資料頁

下載 XML

摘要頁 | 點圖資料 | 俗名 | 相片

網路資源

AFORO (otoliths) | Alien/Invasive Species database | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | 檢查 FishWatcher | CISTI | Catalog of Fishes: 屬, 種 | DiscoverLife | ECOTOX | FAO - Aquaculture systems: 產生; ; Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: 基因組, 核甘 | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | 國家資料庫 | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | 樹狀分類階層 | Wikipedia: 去, 搜尋 | World Records Freshwater Fishing | 動物學的記錄

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.7500   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02455 (0.01070 - 0.05632), b=3.00 (2.80 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
營養階層 (Ref. 69278):  2.0   ±0.00 se; based on food items.
回復力 (Ref. 120179):  高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (39 of 100).
價格種類 (Ref. 80766):   Unknown.
Nutrients (Ref. 124155):  Calcium = 76.1 [25.1, 186.6] mg/100g; Iron = 1.76 [0.87, 4.38] mg/100g; Protein = 18.7 [16.6, 21.0] %; Omega3 = 0.522 [0.209, 1.343] g/100g; Selenium = 42.4 [16.5, 105.7] μg/100g; VitaminA = 8.7 [2.3, 31.5] μg/100g; Zinc = 1.13 [0.75, 1.83] mg/100g (wet weight);