Hitchhikers and Parasites

Some relationships between different animal species are beneficial to both. Some are more one sided.

A Leopard Shark carrying both Copopods and Remoras
Detail of Copopods
Detail of Remoras
A Wobbegong with Shark Leeches on its face.
A Wobbegong with Shark Leeches on his claspers.
A very large leech on a Leopard Shark.
Thanks to Denis Riek for identifying the leeches as Stibarobdella macrothela Schmarda 1861. more info >>>