|Latin name||Ostracion cyanurus - Rüppell, 1828|
|Local name||Bluetail trunkfish|
|Family||Ostraciidae - Ostracion|
|Origin||East Indian Ocean, The Red Sea|
|Max length||15 cm (5,9")|
|Minimum volume||600 cm (158 gal)|
|Suitable for aquarium||Suitable with care|
|Reef safe||Not reef safe|
Macroalgea (Eg. seaweed / nori)
Small crustaceans (Krill, mysis, artemia...)
Larger crustaceans (Shrimp, crabs...)
Large polyp stone coral (LPS)
This species likes to eat tubeworms.
This species likes eating crustaceans, small bivalves and the like.
There is little available knowledge of this species, so there can be important information missing on this page.
This species has a toxin in its skin, which it releases when highly stressed or dying.
This poison can kill all the aquatic life in the aquarium, if unlucky.
This species cannot maneuver in strong currents, especially so when small.
Pay particular attention to the pump’s water inlet as these fish in certain circumstances, can get stuck.
This species often has a fun and interesting personality.
Does not eat whole fish, but a good diet consists of a mix of vegetables, pieces of shrimp and small pieces of fish.
Boxfish(Ostraciidae) have a unique square shape and a particular way of swimming.
They have a rather special personality, which one quickly comes to love.
Boxfish live typically off a mixture of algae, coral polyps, zooplankton, and in some cases crustaceans.
They are not normally reef safe and when small will require gentle water circulation.
Boxfish can secrete a poison when stressed or if they die, which can in the worst case, kill the contents of a whole aquarium.
Never use the water the fish was transported in.
|Distribution||Western Indian Ocean: Red Sea to the Persian Gulf.|
|Danish common names||
|English common names||
Bob Fenner. The Puffers Called Box-, Cowfishes, family Ostraciidae - Wet Web Media - (English)
Richard Aspinall. 2012. Oddballs for the Marine Aquarium - Tropical Fish Hobbyist - (English)
"Minimum volume" indicates the size of the tank needed to house this species under optimal conditions.
This is based on a medium size animal, which you want to keep for several years.
It might be possible to keep smaller specimens for a limited period in a smaller tank. A larger tank might be needed for fully-grown specimens.
"Hardiness" indicates how resistant this species is to disease and how well i tolerates bad conditions in general.
Some species doesn't handle transportation very well, but that doesn't mean that the species isn't hardy under the right conditions.
In this case, a "normal" aquarium is a reef aquarium with mixed corals or a fish only aquarium with an approximately salinity of 1.026 (sg) and a temperature close to 26°C.
Species requiring more than a 4000-liter tank are considered not suitable for home aquarium.
Special aquariums may cover tanks with low salinity, sub-tropical temperature, deep sand bed, sea grass etc.
Always reef safe: No sources indicate that this species will harm corals or other invertebrates.
Often reef safe: Only a few aquarists has reported problems keeping this species with corals and other invertebrates.
Reef safe with caution: This species may be a threat to some types of invertebrates.
Reef safe with luck: Most specimens will harm corals and/or other invertebrates, but you might be lucky.
Not reef safe: This species is a threat to most corals and/or other invertebrates.