Good evening my dear friends .. Blue box fish ( Ostracion cubicus ) .. Reach up to 45 cm. at depth 1 - 45 m. Large adults are variable in color , ranging from ochre to purplish brown , the round spots on the carapace of the smaller female phase being faint or absent , the fins have small black spots , the head is adorned with a bump anteriorly on the snout . Females are yellow and have many regularly rounded , black-rimmed white spots on the carapace . Small juveniles are cube-shaped becoming mo

12 Types of Blue Fish: Different Aquarium Fish that are Blue