How basic can you be and still be called a fish? With no eyes and no jaws, hagfish would certainly take the prize. They aren’t all about minimalism, though – they actually have five hearts! What makes these simple fish fascinating is the defense that earns them the name “slime eel.” Come to the Icthyology Lab during Open House to watch the hagfish exude some of their slimey goodness – it sure makes for some fun photo taking! (Marine scientist love slime…)