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.
There are mainly two types of goldfish. They are the egg-shaped body goldfish and the flat body type. The flat body types generally are the hardiest, most competitive, and easiest to care for-thus they are most suited for beginners.Flat body type goldfish include the common, comet, wakin, jikin, and shubunkin goldfish.here are mainly two types of goldfish. They are the egg-shaped body goldfish and the flat body type. The flat body types generally are the hardiest, most competitive, and easiest to care for-thus they are most suited for beginners.