About the Black Moor Goldfish A black moor is a type of fancy goldfish characterized by its deep black coloration and prominent, protruding eyes, resembling a telescope. These goldfish are popular aquarium pets due to their unique appearance and relatively peaceful temperament. Goldfish are known to be social fish and produce a lot of waste. Effective filtration and tank set up are required to keep goldfish with optimal welfare. Husbandry & Care Temperament: Peaceful Minimum Tank Size: 40 Gallons for 2x Goldfish and effective filtration. Add 10-15 gallons of water for each additional fish. Water Temperature: 64-78 °F Water pH: 6.0-8.0 Social Group: 2+ Individuals Diet: Omnivorous; Commercial Flakes & Pellets suited for goldfish, algae, algae wafers, detritus, Frozen Brine Shrimp/Bloodworms Compatible with: Due to the bio load of goldfish, they are often kept in species-only aquariums. However, with a large enough tank footprint, goldfish may be kept with platies, dojo loaches, and bristlenose plecos