Description
Watanabei Angelfish – Genicanthus watanabei
Overview:
The Watanabei Angelfish is a striking reef-safe species, with males displaying bold black striping on a silvery-blue body and females showing a more subtle blue coloration with dark edging. Active, hardy, and peaceful, it’s a favorite among reef keepers.
Origin:
Found in deep reef slopes of the Pacific Ocean, especially around Japan, the Philippines, and Micronesia.
Feeding:
Omnivorous — thrives on high-quality marine pellets, spirulina, mysis shrimp, brine shrimp, and finely chopped seafood, with algae-based foods included regularly.
Tank Mates:
Well-suited for reef and peaceful community aquariums, coexisting with tangs, wrasses, gobies, and clownfish.
Aggression:
Very peaceful; can be kept singly, in pairs, or in harems in larger systems.
Experience Level:
Ideal for intermediate aquarists, requiring stable, pristine water and open swimming space.
Water Parameters:
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Temperature: 72–78°F (22–26°C)
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pH: 8.1–8.4
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Salinity: 1.020–1.025
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Minimum Tank Size: 125+ gallons
Peaceful, elegant, and reef-safe, the Watanabei Angelfish makes a stunning addition to large community reef aquariums.




