Stingrays eating from a feeding ball for the first time. These animals are intelligent and can definitely benefit from some mental stimulation… so i figured i would give it a try (making it eazy for them this first time).
I have observed that they will try different tactics – if the Food is stuck in a tricky Place. They are actually pretty inventive when it comes to using water as a tool. Click the following link to read more about this: http://news.bbc.co.uk/earth/hi/earth_news/newsid_8452000/8452008.stm