Although it is not recommended, it is a growing trend to keep boxfish in a home aquarium. Members of the family Ostraciidae secrete an ichthyotoxic mucus from their skin when stressed or disturbed.
Maintaining boxfish in a home aquarium, although not advised, has become more popular recently. The members of the Ostraciidae family secrete an ichthyotoxic substance from their skin to protect themselves when they are stressed or disturbed.