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The Small nosed boxfish has a cubical, boxy body which is protected by a hard shell (carapace) made up of bony plates with gaps for the various tiny fins, the tail and the mouth. It has no horns. It has a small bump on the 'nose' above the upper lip and a ridge along the middle of the back. The fish has a pattern of hexagons with brown spots.
It is said to be toxic. It is probably one of the species that secretes a powerful toxin on the skin (called ostracitoxin). This toxin is poisonous to other fishes and can even kill the boxfish itself if it is confined in an aquarium. Thus they are not recommended for aquariums.
Order: Tetraodontiformes
Family: Ostraciidae
Genus: Rhynchostracion
Species: Rhynchostracion nasus
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