Brazil country information

Common names: Traira, Traíra gigante, Trairão
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: live export: yes;
Comments: Known from the Rios Araguari and Amapá, state of Amapá (Ref. 57715).
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: Mattox, G.M.T., M. Toledo-Piza and O.T. Oyakawa, 2006
National Database:

Classification / Names

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

Common names from other countries

Poisson tigre, Traira, Trairão, ... more

Main reference

Planquette, P., P. Keith and P.-Y. Le Bail. 1996. (Ref. 12225)
References | Biblio | Coordinator : Oyakawa, Osvaldo T. | Collaborators

Size / Weight / Age

Max length : 100.0 cm SL male/unsexed; (Ref. 12225); max. published weight: 40.0 kg (Ref. 12225)

Length at first maturity
L_m ?, range 22 - 22 cm

Environment

Freshwater; benthopelagic; potamodromous (Ref. 51243)

Climate / Range

Tropical, preferred ?

Distribution

South America: Tributaries of middle and lower Amazon basin, including Rios Trombretas, Jari, Tapajós, Xingu, Tocantins, and in the coastal rivers of Guyana, Suriname, Fr Guiana; Rios Araguari and Amapá, state of Amapá, Brazil; lower reaches of Río Orinoco, Venezuela.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Frequently occurs in counter current zones of principal rivers and creeks. Feeds mainly on fish but also on other animals that fall into the water like small terrestrial invertebrates. Is active at dusk and at night. Reproduction takes place at the onset of the rainy season from December to March. Depending on the size, the female can carry around 6,000 to 60,000 eggs (Ref. 12225). Known for the quality of its flesh (Ref. 27188).

IUCN Red List Status (Ref. 115185)

Not Evaluated

Threat to humans

Harmless

Human uses

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)
3.7 ±0.55 se; Based on food items.

Resilience (Ref. 69278)
Medium, minimum population doubling time 1.4 - 4.4 years (tm=1; Fec=6,000)

Vulnerability (Ref. 59153)
Moderate vulnerability (37 of 100)

Price category (Ref. 80766)
Unknown

Hoplias aimara (Valenciennes, 1847)