Shark remora's are the most common remora in warm waters. There are nine species of remoras. They can be found inshore as well as offshore. Remoras attaches to its hosts including sharks, rays, large fish, sea turtles, whales, dolphins and also to ships.
Remoras feeds on small fishes, or scraps of fish that they eat when their host eats. The sucker on the remoras head is actually a modified dorsal fin.