Yellow boxfish

Ostracion cubicus

The yellow boxfish is a species of boxfish. It can be found in reefs throughout the Pacific Ocean and Indian Ocean as well as the south eastern Atlantic Ocean. It reaches a maximum length of 45 centimetres.
Ostracion cubicus Batu Lubang Kecil, Lembeh. Geotagged,Indonesia,Ostracion cubicus,Spring,Yellow boxfish

Appearance

As the name suggests, it is box-shaped. When juvenile, it is bright yellow in color. As it ages, the brightness fades and very old specimens will have blue-grey coloration with faded yellow. It feeds mainly on algae, but will also feed on sponges, crustaceans and mollusks.
Ostracion cubicus adult Deep Six, Similan Islands, Thailand (2008). Fall,Geotagged,Ostracion cubicus,Thailand,Yellow boxfish

Reproduction

They are solitary animals. Breeding occurs during the spring, in small groups that consist of 1 male and 2 - 4 females.
Yellow BoxFish - Ostracion cubicus Box-shaped, yellow in colour with black spots. Anilao,Batangas,Boxfish,Fish,Geotagged,Ostracion cubicus,Philippines,Winter,Yellow boxfish

Food

The fish's diet consists of marine algae, worms, crustaceans, mollusks, and small fish.
Yellow Boxfish Yellow Boxfish - shot taken at Bergen Aquarium, Bergen, Norway, November 2013. Aquarium,Bergen,Boxfish,Fish,Marine,Ostracion cubicus,Yellow boxfish

Defense

When stressed or injured it releases poisonous proteins from its skin that may prove lethal to any fish in the surrounding waters. The bright yellow color and black spots are a form of warning coloration to any potential predators.

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