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Red Sea Boxfish
Red Sea Boxfish
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  • Red Sea Boxfish
  • Red Sea Boxfish
Product Code: RNC-01573 Available To Order
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Red Sea Boxfish

Ostracion cyanurus
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Red Sea Boxfish also known as the Bluetail Boxfish or Bluetail Trunkfish are found in the Red Sea to the Persian Gulf.

Livestock arrives in and out of stock very regularly, depending upon availability of the item from the source. The more rare and expensive items are often difficult to hold in stock, and can take time to source, so we generally require a deposit to locate and purchase the extremely rare items
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The Red Sea Boxfish male is the more colourful of the two, with a vibrant blue and black spotted sides with an olive green back. The female has a yellow body with blue spots and a red cheeks.

This is a very difficult fish to keep in the aquarium setting by any other than the most experienced aquarist. Use caution if placing the Red Sea Boxfish in a reef tank as they will often nibble at tubeworms. When stressed, the Red Sea Boxfish releases a poisonous substance, called ostracitoxin, from its mucous glands which will kill other fish in the tank very quickly.

Very little success has been achieved in breeding these fish in an aquarium. When first introduced, the Red Sea Boxfish can be fed a diet of live brine shrimp or bloodworms. After acclimatization, chopped squid, clams, mussels, and herbivore preparations can be fed.

Minimum Aquarium Size

500 L

Max Size

15 cm

Reef Safe









Red Sea


Wild Caught



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