Piranha (Amazon river fish)
Piranha :
Piranhas, or piranhas, live in rivers
and lakes extending from northern Argentina to Colombia,
However, it is more diverse in the Amazon River, which contains 20 species out of the sixty known piranha species,
Piranhas
range in color from silver with orange undersides to black, which covers the
entire body.
They
are characterized by a flat body, a belly with saw edges, a large head, strong
jaws, and sharp teeth.
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| Piranha (Amazon river fish) |
Piranha diet :
Most piranha species feed on meat,
and are able, thanks to their jaw, which is 3 times the size of a crocodile of
the same size, and thanks to their sharp shark-like teeth, they can bite the
most armored types of fish,
The
diet of piranhas depends on their different species.
Some of them feed on worms, insects, other fish, carrion, seeds, and plants, and there are species whose diet consists entirely of plants.
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Life cycle of piranha :
The piranha breeding season extends
from December to March, and the piranha life cycle consists of the following
stages:
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Egg stage:
The female piranha lays up to 1,000
eggs, and therefore chooses nests located at the bottom of the body of water.
The
female who carries the eggs can be distinguished by the color of the abdomen,
which becomes redder,
While
the body color becomes dull. Fertilized
egg stage: The male secretes his sperm over the eggs to fertilize them.
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Hatching eggs:
Piranha eggs hatch a day or two after
they are laid depending on the water temperature, as the eggs hatch faster in
warm water than in cold water,
ggs are cared for by both males and females during this period.
Larval stage:
During
the first days of their life, young piranhas or larvae feed on the remaining
yolk in the egg, after which they begin to eat small crustaceans, worms, and
insects.
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Maturity stage:
Piranhas reach maturity and are able
to mate and spawn in turn when they complete their first year. General information about piranha.
Below
is some general information about piranha: Most types of piranha from head to
tail are 20 cm long,
However,
some species may reach a length of 60 cm.
The piranha belongs to the genus Serrasalmus and the family Characidae.
Piranhas emit various sounds similar
to barking, and the sounds made by piranhas vary depending on the message they want
to send.
There
are warning sounds, and there are hum-like sounds made by fish when they gather
around prey.
Piranhas gather in flocks to protect
themselves from their natural predators, including river dolphins, caiman or
tropical American crocodiles, giant piraroco fish, birds, and some mammals such
as otters.
Piranhas are able to bite their prey
with a force of more than 70 pounds per square inch (49 214.8 kg per square
meter).
Young
piranhas tend to live in a flock, but they become solitary when they mature,
and they often attack members of their species.
The red-bellied piranha is the most
ferocious fish of the Amazon River, followed by the black piranha.
Piranhas are able to strip a large animal of meat within minutes if they
suffer from severe hunger, for the following reasons:
Piranhas attack their prey in flocks
of hundreds of ferocious fish.
Piranhas do not chew meat, but most of the
meat goes directly to the abdomen.
Piranhas take turns on prey in an
amazing way, with the first fish quickly cutting off part of the meat and then
moving away to give room to the next fish, and so on.
The frequency of piranhas attacking
humans has increased in South America over the past ten years.
According to experts, this is due to the increase in the number of dams built on the Amazon River, which help slow the water flow This attracts both fish and swimmers to the same area, increasing the chances of meeting between them.
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The relationship of piranha to
humans:
Piranhas are a source of nuisance to
swimmers.
This
is because they can bite them and cause them wounds, but serious attacks are
rare, and they cause many problems for fishermen, as they steal bait and devour
the fisherman
Fishing
nets and other equipment, on the other hand, piranhas are very popular as a
food item in the areas where they live, as eating their meat is believed to
contribute to treating fertility and baldness problems,
heir
teeth are used to make tools, including weapons, and they are also sold as
pets, although keeping them is illegal in some areas.
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Piranha care :
Piranhas can be raised at home after ensuring that this is legal at the place of residence.
Piranhas can be cared for by following the following tips:
Aquarium: Piranhas need a large space
to swim
herefore,
a basin with a capacity of approximately 150 liters must be provided when
keeping one fish, and a much larger basin must be provided to maintain a group
of them.
To provide a suitable environment, it is recommended to place marsh oak wood on the perimeter of the basin, and to brush the basin with sand Or fine gravel.
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Food
Piranhas need a high-protein diet, and can be
trained to eat whole dead fish, such as frozen silverfish and lance, as well as
shrimp, mussels, and fish meat.
Hygiene care: It is recommended to provide the
piranha aquarium with good filters, and to change 30%-50% of the aquarium water
every two weeks, in order to keep the aquarium clean.
With my best wishes
