Pirarara

Pirarara
agosto 26, 2015 AmazCitSci

Categoria de comprimento:  Large (>100 cm)

Nível trópico:  Omnivore

Padrão migratório:  Medium Distance (100-1,000 km)

Período de desova:  Low + Rising

Mercado de exportação:  National (outside Amazon)

Status do mercado:  Second class

Distribuição de capturas:

Pirarara potential yield was estimated to be almost 900 tons. Four fishery regions accounted for 93% of its potential yield: Brazilian-Colombian-Peruvian Border (42%), Central Amazon (21%), Lower Amazon (17%) and Peruvian Amazon (13%).

Notas de História Natural:

The pirarara is an omnivorous species that feeds heavily on fleshy fruits in flooded forests but also takes crabs and fish, the last especially during the low water period. The species is not captured in large schools but it is still unclear whether it migrates since young fish have never been found in blackwater and clearwater rivers. It is possible that pirarara migrate down blackwater and clearwater tributaries to spawn in whitewater rivers.

Distribution of pirarara catch.

Distribution of pirarara catch. Source: Barthem, R., Goulding, M. 2007. An unexpected ecosystem: the Amazon as revealed by fisheries. Missouri Botanical Garden Press.

 

Brazil  
Cajaro Phractocephalus hemiliopterus
Pirarara Phractocephalus hemiliopterus
Ouarara Phractocephalus hemiliopterus
Paruaruima Phractocephalus hemiliopterus
Colombia
Pirarara Phractocephalus hemiliopterus
Guacamayo Phractocephalus hemiliopterus
Músico Phractocephalus hemiliopterus
Cajaro Phractocephalus hemiliopterus
   
Ecuador
Guacamayo-bagre Phractocephalus hemiliopterus
Peru
Pez-torre Phractocephalus hemiliopterus
Bigorilo Phractocephalus hemiliopterus