Brazil country information

Common names: Pacu, Pacu-marreca
Occurrence: endemic
Salinity: freshwater
Abundance: | Ref:
Importance: minor commercial | Ref: Ferreira, E.J.G., J. Zuanon and G.M. dos Santos, 1996
Aquaculture: | Ref:
Regulations: | Ref:
Uses: live export: yes;
Comments: Known from Tapajós River basin (Ref. 39031). Type locality is Rio Tapajos. Found regularly in markets in Santarém (Ref. 12202) but restricted to area south of lower Amazon according to Ref. 34077.
National Checklist:
Country Information: httpss://www.cia.gov/library/publications/resources/the-world-factbook/geos/br.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Ferreira, E.J.G., J. Zuanon and G.M. dos Santos, 1996
National Database:

Classification / Names

Actinopterygii (ray-finned fishes) > Characiformes (Characins) > Serrasalmidae ()
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL

Common names from other countries

Silver dollar, Silver dollar, 银板鱼, ... more

Main reference

Zarske, A. and J. Géry. 1999. (Ref. 34077)
References | Biblio | Coordinator | Collaborators

Size / Weight / Age

Max length : 14.0 cm SL male/unsexed; (Ref. 81196)

Environment

Freshwater; pelagic; pH range: 5.0 - 7.0; dH range: ? - 15

Climate / Range

Tropical; 24°C - 28°C (Ref. 1672), preferred ?

Distribution

South America: Tapajós River basin in Brazil.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

In weedy side arms of the river; popular aquarium fish in the USA according to Ref. 1672, but might be a misidentification of M. hypsauchen. Needs better reference.

IUCN Red List Status (Ref. 115185)

Not Evaluated

Threat to humans

Harmless

Human uses

Fisheries: minor commercial; aquarium: commercial

More information

Countries
FAO areas
Ecosystems
Occurrences
Introductions
Stocks
Ecology
Diet
Food items
Food consumption
Ration

Common names
Synonyms
Metabolism
Predators
Ecotoxicology
Reproduction
Maturity
Spawning
Fecundity
Eggs
Egg development

Age/Size
Growth
Length-weight
Length-length
Length-frequencies
Morphometrics
Morphology
Larvae
Larval dynamics
Recruitment
Abundance

References
Aquaculture
Aquaculture profile
Strains
Genetics
Allele frequencies
Heritability
Diseases
Processing
Mass conversion

Collaborators
Pictures
Stamps, Coins
Sounds
Ciguatera
Speed
Swim. type
Gill area
Otoliths
Brains
Vision

Tools

Special reports

Check for Aquarium maintenance | Check for Species Fact Sheets | Check for Aquaculture Fact Sheets

Download XML

Summary page | Point data | Common names | Photos

Internet sources

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805)
PD₅₀ = 0.5001 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Trophic Level (Ref. 69278)
2.9 ±0.4 se; Based on size and trophs of closest relatives

Resilience (Ref. 69278)
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Vulnerability (Ref. 59153)
Low vulnerability (11 of 100)

Price category (Ref. 80766)
Unknown

Metynnis argenteus Ahl, 1923