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Articles tagged with: sign language

The Red Sea roving coral grouper can use sign language to hunt.

May 2, 2013 – 8:53 pm |
The Red Sea roving coral grouper (Plectropomus pessuliferus marisburi), which researchers say can use sign language to hunt.

Two types of fish have been shown to use gestures, or sign language, to help one another hunt. This is the first time these types of gestures have been found …