The three types of symbiosis are... Mutualism: A relationship in which both species benefit. Commensalism: A relationship in which one species benefits and the other speci â¦ es is neither helped nor harmed.
Definition of goldfish. : a small usually golden-orange Asian cyprinid fish (Carassius auratus) often kept as an aquarium and pond fish.
Goldfish are very BIG, high maintenance fish and they cannot live in these conditions very well or for very long. The lifespan of a properly taken care of goldfish is 20+ years. In this kind of setup, it's impressive if they live even one.