Tetrosomus gibbosus

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Tetrosomus gibbosus
Humpback Turretfish - Tetrosomus gibbosus 2.jpg
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Tetraodontiformes
Family: Ostraciidae
Genus: Tetrosomus
Species: T. gibbosus
Binomial name
Tetrosomus gibbosus
(Linnaeus, 1758)

Tetrosomus gibbosus, commonly called humpback turretfish, helmet cowfish, camel cowfish and thornbacked boxfish,[2] is a species of boxfish native to the Indo-West Pacific, but also established in the Mediterranean Sea via Lessepsian migration.[3] It is mainly found at depths of 37–110 m (121–361 ft) on slopes or over muddy bottoms, but can sometimes be seen near shallow seagrass beds.[4] It reaches up to 30 cm (12 in) in length, but is more common at around 20 cm (8 in).[4] Like other boxfish, its flesh is poisonous.[4] It feeds on a wide variety of invertebrates and algae.[1]

It occasionally makes its way into the aquarium trade, but is difficult to keep.[1][2]


  1. ^ a b c Collen, B.; Richman, N.; Beresford, A.; Chenery, A. & Ram, M. (2010). "Tetrosomus gibbosus". IUCN Red List of Threatened Species. Version 2015.1. International Union for Conservation of Nature. 
  2. ^ a b LiveAquaria: Helmet Cowfish (Tetrasomus gibbosus). Retrieved 19 June 2015.
  3. ^ Spanier, E., and Goren, M. (1988). An Indo-Pacific trunkfish Tetrosomus gibbosus (Linnaeus): first record of the family Ostracionidae in the Mediterranean. Journal of Fish Biology 32(5): 797–798.
  4. ^ a b c Froese, Rainer and Pauly, Daniel, eds. (2015). "Tetrosomus gibbosus" in FishBase. April 2015 version.