Longhorn Cowfish

Longhorn cowfish (Ross Elliot / CC BY)

The longhorn cowfish (Lactoria cornuta) is a boxfish that is easily identified by two horns protruding from its head. It can reach 46 centimeters (18 inches) in length. The longhorn cowfish blows away bottom sand and feeds on exposed benthic invertebrates. It inhabits shallow coastal waters and prefers muddy or sandy sea bottoms.

Inhabits the Indo-Pacific Ocean.

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This supplemental online resource accompanies the book Scuba Diving Hand Signals by Lars Behnke, available on Amazon.