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Piaractus mesopotamicus (Holmberg, 1887)

Pacu
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Piaractus mesopotamicus
Picture by Lovshin, L.


Brazil country information

Common names: Caranha, Pacu, Pacu branco
Occurrence: native
Salinity: freshwater
Abundance: scarce (very unlikely) | Ref: Silvano, R.A.M. and A. Begossi, 2001
Importance: subsistence fisheries | Ref: Silvano, R.A.M. and A. Begossi, 2001
Aquaculture: commercial | Ref: Lovshin, L.L., 1995
Regulations: | Ref:
Uses: live export: yes;
Comments: Found in Piracicaba river (Ref. 50076). Widely farmed in Southern Brazil (Ref. 32894).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/br.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Lovshin, L.L., 1995
National Database:

Common names from other countries

Classification / Names आम नाम | उपशब्द | Catalog of Fishes(वर्ग, प्रजाति) | ITIS | CoL | WoRMS | Cloffa

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

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

; स्वच्छ जल, अलवण जल ड़िमरसल; पोटामोड़िरोमस (Ref. 51243).   Subtropical; 15°S - 38°S, 66°W - 42°W

वितरण देश | ऐफ ऐ ओ क्षेत्र | Ecosystems | संयोग | Point map | भूमिका | Faunafri

South America: Paraguay-Paraná River basin.

आकार / वज़न / Age

Maturity: Lm ?  range ? - ? cm
Max length : 40.5 cm SL पुल्लिंग / अलिंग; (Ref. 39031); अधिकतम प्रकाशित वज़न: 20.0 kg (Ref. 32894)

Short description आकृति विज्ञान | मौरफोमैटरिक्स

Dark grey to silver dorsally and laterally and white ventrally with a yellow breast.

जीवविज्ञान     शब्द संग्रह (उदाहरणार्थ 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).

Life cycle and mating behavior परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | Fecundity | लार्वा

Assuming standard characid reproduction. Replace ASAP.

Main reference Upload your references | संदर्भ | संयोजक | सहयोगीयो

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 Red List Status (Ref. 130435)

  Near Threatened (NT) (A2bcde); Date assessed: 21 December 2020

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

जलीयकृषि: व्यापारिक
FAO(जलीयकृषि: production; ; publication : search) | FishSource |

अधिक जानकारी

आम नाम
उपशब्द
चपायचय
परभक्षी
ईकोटोकसीकोलौजी
पुनरुत्पत्ति
परिपक्व अवधि
मछलीऔ का अंडे देना
Fecundity
अंडे
Egg development
Age/Size
बाढ़
Length-weight
Length-length
Length-frequencies
मौरफोमैटरिक्स
आकृति विज्ञान
लार्वा
लारवल गतिकी
भर्ती
बहुतायत
संदर्भ
जलीयकृषि
जलीयकृषि रूपरेखा
खींच
आनुवंशिकी
Electrophoreses
हैरेटिबिलटी
बीमारी
प्रक्रमण
Mass conversion
सहयोगीयो
तस्वीरे
Stamps, Coins Misc.
ध्वनि
सिगुयटिरा
रफ्तार
तैरने के प्रकार
गिल क्षेत्र
Otoliths
दिमाग
दृष्टि

साधन

Special reports

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इंटरनेट स्रोत

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).
Trophic level (Ref. 69278):  2.0   ±0.00 se; based on food items.
लौटाव (Ref. 120179):  ऊंचा, न्यूनतम जनसंख्या दुगनी समय अवलागत 15 महीने। (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (39 of 100).