If you’re having large saltwater aquarium then consider purchasing tang & surgeonfish for your aquarium. Moorish idol is rare to keep in captivity so you can try adding unicorn tang instead of it. Unicorn tang is one of the largest fish you can purchase for your home saltwater aquarium. Unicorn tang will reach size of about 24 inches in it’s lifetime and because of this they require considerably large tank of about 1000 liters or more.
Unicorn Tang Profile
- Scientific Name : Naso unicornis
- Region: Indo-Pacific, Hawaii, Red Sea
- Life Span: 10 or more years
- Size : Up to 24 inches
- Tank Size: 1000 liters or more
- pH : 8.1 – 8.4
- Temperature : 25°C – 28°C
- Carbonate Hardness :8 – 12° dKH
Unicorn tang is also known as Bluespine Unicorn-fish, unicorn fish. They’ve horn on their head because of which they’ve got this name “unicorn”. They’ve mixture of colors on their body like white, gray and sometimes green-bluish body. They’ve retractable blade for defending territory and protecting themselves. They take some time to acclimate but once they do they’ll show their hardy nature.
Breeding: It’s difficult to determine the gender of the fishes but once they grow then horn becomes the point of differentiation. They’re not reported to breed in captivity and there is not much of breeding information about them from hobbyists.
Behavior : They’re peaceful towards other fishes but may get bullied by aggressive fishes like triggerfish and angelfish. Avoid placing them with other tang species. They usually dwell all over the tank and hence requires a larger tank. They search for food and move during the day. They’ll do fine in reef tank but you’ll definitely need larger reef tank if you wish to keep them. Keep one quarantine tank in case if they catch any disease or parasite like marine ich etc. Use container to move them from home aquarium tank to quarantine tank.
Food: They’re herbivore in nature and will prefer marine algae. They’ll clean the tank from algae but in home aquarium you’re advised to give them variety of foods. You can give them marine algae and spirulina if possible. Other than that they’ll accept flake food, frozen and live food.
Lemon Tang Fish
You can keep more than 1 unicorn tang if you’ve bigger tank and there will not be conflict if you’ve chosen a pair. But avoid placing them with other tang species and aggressive fishes. They’re rarely available in aquarium shops because of their huge size but you can either order them or get it delivered from some of the online aquarium shops. For larger home aquariums they’ll put a good show and because of their peaceful nature and long life they’re easy to take care.