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.
Veiltail Goldfish â While veiltails are thought to be very beautiful and graceful fish, theyâre also one of the most sensitive common goldfish types because of their long, flowing fins. They look a lot like fantail goldfish but with slightly rounder bodies and a more distorted swim bladder.ince The Orients first developed goldfish from carp, these fascinating fish have expanded to include a variety of colors, shapes, and sizes. Some common goldfish types are even bred to develop special characteristics.