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.
The world's longest goldfish is owned by Joris Gijsbers and measured 47.4 cm (18.7 in) from snout to tail-fin end. It's the size of a house cat! The owners have named this goldfish Bruce.. He is a Red Oranda, and he is 15 inches long!