My forum is debating the correct long-term temperatures for fancy goldfish. What do you think? Paul Green of the Ranchu Brotherhood and the Goldfish Society of Great Britain gives his opinion. The ...

George Farmer responds to a challenge to set up a high-end artificial aquascape for fancy goldfish. Goldfish and aquascaping are two words rarely used in the same sentence. So when PFK commissioned a ...

A vet in the Republic of Ireland has saved the life of a "starving" goldfish after carrying out a rare operation to remove a suspected tumour from his face. Merlin, who is 17-years-old ...

Scientists have proved goldfish do have good memories and are able to navigate their surroundings. A team from Oxford University trained nine fish to travel 70cm (2.3ft) and back, receiving a food ...