Goldfish Dumped in Lakes Grow to Monstrous Size, Turning Into Invasive Species

Following the removal of several giant goldfish from a local lake, authorities in Minnesota have urged aquarium owners to refrain from releasing pet fish into waterways.

Pet owners who no longer want their goldfish should either put it up for adoption (yep, even furry pals get a second shot at life) or contact a local vet or pet store on how to properly euthanize and dispose of it, according to the US Fish and Wildlife Service.

Social Conditions

When goldfish are released into the wild, they form what is known as a school. However, they do not require the company to be happy in captivity and may be maintained alone in a tank.

Because they aren't aggressive, they may be kept in a tank with fish of similar sizes. They're also smarter than they appear. The researchers discovered that they can be taught to distinguish between Bach and Stravinsky's classical music.

Diet

Goldfish in captivity generally consume pellet or flake food. Supplements, on the other hand, are suggested to more closely resemble their natural diet. Worms, larvae, tiny crustaceans like brine shrimp, and even salad fixings like peas and lettuce are eaten by them in the wild. Goldfish owners should add foliage to their bowls since the fish like eating real plants.

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