Dogfish
![](http://files.fobby.net/0000/672c/Dogfish.png)
Adapting to an amphibious lifestyle can be quite difficult. For instance, it is all but impossible to mark one’s territory whilst underwater.
![](http://files.fobby.net/0000/672c/Dogfish.png)
Adapting to an amphibious lifestyle can be quite difficult. For instance, it is all but impossible to mark one’s territory whilst underwater.