Montipora - Poker Star Other Fish The Moorish Idol resembles a

The Moorish Idol resembles a bannerfish or butterflyfish but is actually more closely related to tangs

They may nip on many types of invertebrates

It grows up to 6 inches and needs an aquarium of at least 75 gallons

It is one of the easiest small polyped corals to grow

Montipora - Poker Star Other Fish The Moorish Idol resembles aMontipora require stable water quality ideally provided in a well established aquarium over 6 months old. High levels of nitrate and phosphate are not tolerated and may cause browning; although low, stable levels are necessary for best growth and color. Alkalinity, calcium, magnesium and strontium are required for growth and should be checked regularly. They are prone to many pests, most notably nudibranch which are very difficult to eradicate.