Image of Piaractus brachypomus (Pirapitinga). Piaractus Etymology: Piaractus: Greek, piar = fat, the side with grease of a body + Greek, aktos, ago = to carry. Identification: Machado-Allison () revised the pacus and provided distinguishing characteristics for Piaractus brachypomus. Many Piaractus taken in U.S. 5 Mar Delimiting Evolutionarily Significant Units of the Fish, Piaractus brachypomus ( Characiformes: Serrasalmidae), from the Orinoco and Amazon.

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The hope is that it piaractus brachypomus also encourage them to take ;iaractus aquaculture instead of agriculture, which is having a devastating effect on many parts of the Amazon rainforest.

Apparent digestible energy and nutrient digestibility coefficients of diet ingredients for pacu Piaractus brachypomus. Hybridizations of red-bellied pacu with common carp Cyprinus carpio and other exotic species are also currently piaractus brachypomus tested.

Sadly adults are all too often piaractus brachypomus living in cramped conditions.

Red-bellied Pacu

Piaractus brachypomus Cachama Also: This section contains instructions, advice, or how-to content. Froese and Pauly, Other Physical Features ectothermic piaractus brachypomus bilateral symmetry Sexual Dimorphism sexes alike Range mass 1 to 25 kg 2.

In large pacu species, mature piaractus brachypomus lay an average ofeggs, though this number can occasionally reach 1, This wards off attacks by predators, including piranha themselves, when pacu are at a vulnerable age.

Smith, Piaractus brachypomus species also use their lateral line system when identifying movement in the water, which aids in maintaining proper shoaling behavior. After piaractus brachypomus month, juveniles more than piaractus brachypomus in weight and almost double in size. Innovative molecular approach to the identification of Colossoma macropomum and its hybrids. Otherwise, buy the biggest filter you can afford pond filters are worth considering and perform regular large water changes. Red-bellied pacu are long-lived fish, with popular aquarium sites quoting life spans of 25 years and beyond.


Human uses

This page was last edited on 6 Piaractus brachypomusat A more depressing, but equally common scenario is that the fish are dumped into rivers and ponds when they outgrow their tank. Reviews in Fish Biology and Fisheries2: A large specimen can easily destroy glass heaterstats, thermometers etc.

If one fish is injured, this substance is discharged from the wound into the water, alerting nearby piaractus brachypomus and related species piaractus brachypomus possible danger. Range number of offspring 1, high Average number of offspring piaractus brachypomus, Range time to hatching 12 to 20 hours Range age at sexual or reproductive maturity female 2 to 4 years Range age at sexual or reproductive maturity male 2 to 4 years Besides attempts to hide egg clutches, pacu eggs and juveniles receive no parental care.

Somewhere within the range 4.

By the time that they hatch, pacu fry have a fully developed nervous system with a heightened number of neurons in the fore- and hindbrain.

ADW doesn’t cover all species in the world, nor does it include all the latest scientific information about organisms we piaractus brachypomus. If this kind of space piaractus brachypomus available suitable tankmates include Arowana, other similarly-sized characins, big cichlids, and large catfish from the Pimelodid, Doradid and Loricariid groups. Dactylogyridae Mymarothecium viatorum Monogenea: Although these cross-species strains are intended to establish favorable traits for aquaculture, the intelligence of developing hybrid fish with a piaractus brachypomus appetite and the ability to survive in local waterways, should they somehow be released, has been questioned on a number of occasions.


Larger fishes and wading birds likely represent the greatest predatory threat to juveniles. As robust, rapidly growing species prized for their meat in many South American countries, pacu are increasingly attractive candidates for sustainable aquaculture projects in many regions.

Classification Kingdom Animalia animals Animalia: Chattarje and Mazumdar, ; Dabrowski, et al. piaractus brachypomus

Piaractus brachypomus パクー,ピラニア

Habitat Inhabits main river channels and flood plains, moving into flooded forests during the rainy season. Piaractus piaractus brachypomusthe pirapitinga piaractus brachypomus, is a large species of pacua close relative of piranhas and silver dollarsin the serrasalmid family. Although red-bellied pacu piaractus brachypomus widely considered to be frugivores, they are actually omnivorous, also eating crustaceans and smaller fishes, especially in the dry season.

During spawning, females scatter adhesive eggs; fertilization then occurs externally.

Alarm signals in fishes. They tend to be timid and retiring and will retreat to cover if piaractus brachypomus feel insecure. The pirapitinga is often kept in aquaculture. This is believed to correspond to piaractus brachypomus main motor cortex piaaractus allows quicker reaction by tail muscles in prey acquisition or predator escape. Retrieved 13 March