Moorish Idol Fish
Moorish Idol Fish - Small is backordered and will ship as soon as it is back in stock.
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Description
Description
The Moorish Idol, *Zanclus cornutus*, is a highly sought-after and iconic fish, instantly recognizable by its striking black, white, and yellow bands and its elongated dorsal fin, known as the "banner." This elegant fish is often confused with the Pennant Butterflyfish (*Heniochus acuminatus*), but the Moorish Idol has a more rounded body shape and a smaller mouth.
A minimum tank size of 100 gallons is recommended for a single Moorish Idol, with larger tanks being preferable. They require a well-established aquarium with plenty of live rock for grazing and hiding places. Moorish Idols are generally not considered reef-safe as they are known to nip at stony and soft corals, as well as clam mantles. They are best kept in a fish-only or FOWLR (Fish Only With Live Rock) aquarium.
Moorish Idols are notoriously difficult to keep in captivity and are not recommended for beginner aquarists. They are sensitive to water quality and stress, and often struggle to adapt to aquarium life and prepared foods. Their diet in the wild consists primarily of sponges, algae, and small invertebrates. In the aquarium, they require a varied diet of high-quality marine algae, spirulina, mysis shrimp, brine shrimp, and specialized sponge-based foods. Offering a variety of foods frequently throughout the day is crucial for their survival.
Moorish Idols can grow up to 7 inches in length in the wild, but typically remain smaller in an aquarium setting. There are no readily distinguishable differences between males and females. Breeding in captivity is extremely rare and has not been successfully documented on a widespread basis. Due to their challenging nature and specific dietary needs, the Moorish Idol is a fish best appreciated by experienced aquarists dedicated to providing the specialized care they require.
Quick Facts
- Scientific Name: Zanclus cornutus
- Care Level: Advanced
- Temperament: Peaceful
- Diet: Herbivore
- Reef Compatibility: Semi-Reef Safe
- Region of Origin: Indo-Pacific
- Maximum Adult Size: 9"
- Recommended Tank Size: 180 gallons