Here's a first: Fish using sign language
Monday, April 29, 2013 - 15:30
in Biology & Nature
By Douglas MainLiveScienceTwo 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 to occur in animals other than primates and ravens.Both types of fish, grouper and coral trout, are known for hunting cooperatively with other kinds of animals. Whereas the grouper hunts with giant moray eels and a f...