Yellow Boxfish – Large – Ostracion cubicus

Please note –All our marine livestock can only be kept in saltwater aquariums, not freshwater aquariums.

Scientific Name:
Ostracion cubicus

Please noteThe image used above is for illustration purposes only; Size, colour and sex may vary. Many of our livestock species are sold as juveniles and have not yet reached their full size and colour potential. If you have any concerns about the size or colour of the livestock you wish to order, please contact our livestock team via oursupport centrebeforeplacing your order. Due to the large quantities of livestock orders daily, the livestock team will are unable to select fish / shrimp to meet specific gender or aesthetic needs.

How easy are they to care for?
Experienced – If stressed the boxfish will release a poison from its mucus glands which will kill other tank inhabitants.

How large can they grow?
18

Where in the world are they from?
Indo pacific

What is the ideal number to keep together?
Only 1 per tank.

What water conditions do they require?
SG: 1.020-1.025, pH: 8.1-8.4
23-27 deg C (73-81 deg F)

What should you feed them?
A good mix of mysis, brine, copepods, krill and fish/lobster eggs. Marine algae should also be offered.

How compatible are they with other fish?
Must be kept with peaceful species only that will not stress the boxfish.

Can they be bred in captivity?
No

Are they reef safe?
With caution