A massive "megalodon" of a goldfish caught in Presque Isle, Pennsylvania, is a good reminder of why people shouldn't release their pets into the wild, the U.S. Fish and Wildlife Service says.

There are many types of fish, but not all are suitable for ornamental ponds. Outdoor ponds may suffer fluctuating ...

For example, goldfish are one of the types of fish that do not need a heater and can thrive in colder temperatures (around 68 – 75 degrees Fahrenheit). They are also an ideal pond fish and adapt ...

Something fishy is going on. A pet store goldfish went from “cute to brute” after it was found in a Pennsylvania waterway – with experts now warning against dumping unwanted fish into ponds ...