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.
Last week, scientists netted a 4-pound, 1.5-foot-long goldfish in Lake Tahoe. The scientists also found 15 other goldfish, indicating theyâre probably reproducing in the lake high in the Sierra Nevada.The goldfish were probably aquarium-raised and then dumped by their owners.nother gargantuan goldfish named Goldie made headlines in Britain. Goldieâs owner, an 83-year-old widow, said she bought the fish at a pet store when he was just an inch long. In 2008, Goldie was 15.7 inches long and weighed more than two pounds.