14 DAY TRIAL // There is nothing more satisfying than helping a brother out, groupers and coral trouts seem to think.
Hence their allegedly using sign language in order to direct their hunting buddies to where their prey is hiding.
A new study explains how, following their spending quite a lot of hours monitoring fish belonging to said species, a team of researchers realized that these animals might in fact be a tad smarter than previously assumed.
More precisely, they have discovered that both groupers and coral trouts use so-called headstands to guide their hunting buddies (i.e. species such as eel, wrasse and octopus) to where the food is, Newser reports.
Though it has been known for quite a while that said fish species hunt in partnership with other marine animals, this is the first time when their ability to use sign language to make the hunt more successful is scientifically documented.