Common name: Yellow boxfish

General information

The Yellow Boxfish, scientifically known as Ostracion cubicus, is a captivating and unique species popular among marine aquarists. Recognizable by its distinct box-like shape, bright yellow coloration, and black spots that fade with age, this fish adds a whimsical touch to any saltwater aquarium. Juveniles are particularly vibrant, with their intense yellow hues and evenly distributed spots. As they mature, their coloration can become more muted, and the spots may spread into a reticulated pattern.

Care

Yellow Boxfish require a spacious tank with plenty of room to swim and stable water conditions to thrive. They are generally peaceful but can be territorial with their own kind or similar-shaped species. A varied diet of meaty foods, including shrimp, squid, and marine algae, is essential for their health. It's important to note that when stressed or injured, they can release a toxic substance called ostracitoxin, which can be harmful to tank mates.

Reproduction

Breeding Yellow Boxfish in captivity is quite challenging and rarely successful. In the wild, they are oviparous, with females releasing eggs into the water column to be fertilized by males. The eggs are pelagic, drifting with the currents until hatching.

Habitat

Ostracion cubicus is found in the Indo-Pacific region, from the east coast of Africa to the central Pacific Ocean. They inhabit a range of environments from clear lagoons and coral reef slopes to rubble areas and grassy flats, typically at depths of 1 to 50 meters. They are often solitary but can sometimes be found in small groups, especially during their juvenile stage.