Randall’s Assessor has an intriguing blue coloration with some orange and green becoming apparent from time to time. The coloration of this fish changes due to its mood, environment, and viewing angle. Sometimes it will be a dark blue. Other times it will be more of a turquoise color. Orange can appear as small spots, and there can be some subtle green on the fins. It will look most beautiful once it becomes established and comfortable in an aquarium. They look most intense under white light. When first added to an aquarium, Randall’s Assessor will likely be shy and hide a lot. As time goes one, the fish will come into view more often. You can encourage it to be less shy by creating an aquascape with lots of caves and crannies for the fish to hide in. Also, having some ledges and cliff like structures can help too. It can also cause the fish to swim upside down. Like the other Assessors, Randall’s Assessor can sometimes be seen swimming upside down. This is normal and nothing to be alarmed of. If anything, it makes the fish even more interesting. You can keep multiple Randalli Assessors in one aquarium as long as it is large enough. If you want to keep multiple, be sure only to have one male.
Feeding: Carnivore. Feed meaty foods such as mysis shrimp. If you can, feed live foods for a healthier, more vibrant fish. Feed at least twice per day
Water Parameters: ~78° F, dKH 8-12, pH 8.1-8.4, sg 1.020-1.025
Reef safe: Yes
Color: Mostly blue, but changes depending on mood, environment, and angle. Some green and orange can become apparent.
Randall’s Assessor originates from Japan and is occasionally collected but is seldom imported to the United States. The reason they are available here is because they are captive-bred by ORA. Thanks to them, you can get this beautiful fish. By purchasing captive-bred fish you are also discouraging the harmful wild-caught trade while supporting the captive-bred industry, making our wonderful hobby more sustainable.
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