no. no goldfish are aggressive. whoever wrote that above me dont know cause my common gold fish dont like other fishes in his space
A Black Moor is a type of Goldfish so it can be put with any other goldfish. i have three gold fish and a black moor in my tank
What? Answer... Black moors are very susceptible to dirty water, and can die if the water isn't kept clean. See related link below.
How you would care for an ordinary goldfish, feeding, cleaning, changing water, check filters, temperature gauge, pump and look for signs of ANY infections.
they are found in collection tanks around the world but originally found in China