Goldfish
The goldfish ("Carassius auratus") is a freshwater fish in the family Cyprinidae of order Cypriniformes. It is one of the most commonly kept aquarium fish.
Silverfish
Other similar insect species are also known as silverfish. Two other silverfish are common in North America, "Ctenolepisma longicaudata" and "Ctenolepisma quadriseriata". "Ctenolepisma urbana" is known as the urban silverfish. The Australian species most commonly referred to as silverfish is a different lepismatid, "Acrotelsella devriesiana". The firebrat ("Thermobia domestica") is like a silverfish, but with mottled gray and brown bodies.