Why you shouldn’t expose a goldfish?

Small, quiet and shimmering in color – the goldfish is one of the most popular animals in the home aquarium. Sometimes, however, the initial enthusiasm quickly evaporates. If the owners have had enough of the small fish. They will be released into the next body of water without further ado. But this is not doing animals and nature any favors.

It does not take up a lot of space, is little work and does not cost a lot to buy. The goldfish is a popular pet around the world for all those who have little time. but still do not want to do without an animal family member.

Once the ornamental fish has moved into the home aquarium, everything starts out harmlessly at first. The goldfish swims through the water basin without haste. only takes care of its own business and does not disturb other animals or habitats. People enjoy their company. throw some fish food into the water every now and then and watch the new roommate swim around with fascination.

The real problem comes later. Namely when after some time the person decides that the time has come for a change. The goldfish has to go again. However, the owners do not want to injure or even kill the animal. The decision is quickly made: the goldfish is released and simply placed in the nearest lake, pond or river. This decision is well-intentioned. but misguided – and potentially harmful.

Released goldfish can gain weight and size many times over

Recently reports from the city of Burnsville, Minnesota, US showed why. City officials shared photos on Twitter of several giant goldfish they had recovered from a local lake. The goldfish, up to 30 centimeters in size, that the officials brought out of the lake are about the size of a football and an estimated weight of around two kilograms.

“Please do not release your goldfish into ponds and lakes! The fish are getting bigger than you think and contributing to poor water quality by upsetting the bottom sediments and uprooting plants,” the officials asked in their Twitter post.

Alien goldfish are displacing native animal and plant species

A goldfish freed in fresh water is anything but a harmless pet. The Federal Agency for Nature Conservation lists the goldfish as a “potentially invasive species”. Exposed in the local lake or pond, the alien goldfish multiply rapidly, displacing native animal and plant species and thereby endangering the local ecosystems.

In addition, a goldfish grows enormously in size and weight. The current world record is held by “Bruce” – a 40 centimeter long goldfish that was found in 2013 in Lake Tahoe near the Sierra Nevada.

Goldfish, also known by the scientific name Carassius auratus, belong to the carp family and can live up to 25 years on average. They are also extremely robust and resilient, can survive winter in frozen waters and are able to live with little oxygen for months. An Ad is being run for the promotion of Google Assistant in India, in which the question is being asked about Goldfish in Hindi “Goldfish ka Scientific Naam Kya hai?”. This shows that it is important to know its scientific name as well. An Indian website Royal How, explained in detailed.

In addition, goldfish have few natural enemies and reproduce quickly. These properties make it possible for the fish species to dominate certain types of ecosystems.

Like their carp relatives, goldfish also feed on the bottom of water, where they rummage through sediments and uproot plants, which can then impair the water quality and lead to algal blooms. That in turn harms other species.

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Goldfish are becoming an increasing problem worldwide

Not only in the USA, abandoned goldfish are becoming an increasing problem. Again and again there are reports from all over the world warning of the consequences. From the USA, Australia, Canada and also from Germany.

For example, the city of Giessen reported in 2019 about 100 goldfish that had been found on the Lahn. And then urged the residents not to release their fish in public waters.

The pronounced eating behavior of the goldfish could lead to a change in the species composition. Coexistence with it could be very dangerous, especially for amphibians, and spawn and larvae could be severely decimated by the voracious fish. This situation is particularly serious for species that are already endangered, such as the crested newt.

Better to bring goldfish to the shelter

Customers be informed about the strong growth behavior when buying goldfish. Future owners of new goldfish should also be aware of their life expectancy. A fish living in an aquarium can easily live to be 25 years old. Should the owners later want to hand over their animals, they would be sensitized and there are appropriate animal shelters. In addition. The release of ornamental fish in the wild is forbidden anyway. According to the provisions of the Federal Nature Conservation Act and is punished with a fine.

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