Slender Suckerfishes, Echeneis naucrates, Aliwal Shoal, Indian Ocean, South Africa

Live sharksucker (Echeneis naucrates), Rongelap, Marshall Islands, Micronesia, Pacific

Live sharksucker, Echeneis naucrates, Rongelap, Marshall Islands, Micronesia

Whale shark (Rhincodon typus) swallows plankton, has a ship's keeper (Echeneis naucrates) in its mouth, Philippine Sea, Philippines, Asia

Two Live sharksuckers (Echeneis naucrates) on shield, back of sea turtle, Red Sea, Egypt, Africa