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.
: a small usually golden yellow or orange fish often kept in aquariums or ponds. See words that rhyme with goldfish Spanish Central: Translation of goldfish Nglish: Translation of goldfish for Spanish speakers Britannica.com: Encyclopedia article about goldfish.