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longhorn cowfish (Lactoria cornuta)
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longhorn cowfish (Lactoria cornuta) specimen
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Ostraciidae

longhorn cowfish

Lactoria cornuta

Two long horns on forehead

  • Tropical
  • Transcontinental
  • Indian Ocean
  • Pacific Ocean
  • Africa
  • East Asia
  • Deep-bodied
  • Medium
  • Tropical fish

The longhorn cowfish (Lactoria cornuta), also called the horned boxfish, is a species of marine ray-finned fish belonging to the family Ostraciidae, the boxfish. This species is recognizable by its long horns that protrude from the front of its head, rather like those of a cow or bull. They are a resident of the Indo-Pacific region and can grow up to 50 cm (20 in) long.

Maximum length
46 cm
Body shape
deep_bodied
Distribution
Indo-Pacific: Red Sea (Ref. 12541 ) and East Africa (Ref. 12484 ) to the Marquesan and Tuamoto islands, north to southern Japan, south to Lord Howe Island (Ref. 9710 ).

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