How do remoras stick to their host?

Remoras, also known as sharksuckers or suckerfish, are famous for their ability to hitch rides on larger fish and marine mammals by means of what looks like a suction cup on top of their heads. But suction is only part of the story. The latest research shows that the cup, which is actually a modified dorsal fin, is lined with tiny barbs that create friction … Continue reading How do remoras stick to their host?