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 need appropriate temperatures to remain healthy. Goldfish are cold water fish who live in cool lakes, streams and rivers. However, the fact that they are cold water fish does not mean that they should be kept in frigid temperatures.