The ankylosaurs is a good swimmer. Go to any river and swim with it and hit rocks while your swimming it will not stop moving and it collects faster.
Ankylosaurus
The Ankylosaurus is a heavily armored herbivore specializing in harvesting metal and other mineral resources. Its durable body and crushing tail make it a sturdy, if slow, defensive mount.

How to survive, fight, and kill a wild Ankylosaurus, from players who have done it.
They're so slow that you don't really have to worry about them. Just shoot at their head while walking backwards and you'll be fine.
You can either find them in islands/redwoods
Or find them on ark maps hehehehehe
Don’t mess with him and he won’t mess with you
I just got home from a wild journey level 15 I think I was I saw one I thought it was peaceful I hit it shoot i thought to myself I died two seconds later
I WILL EAT YOUR MAMA AND FACE ON MINE AND SAY HI TO YOUR BROTHER
Do not fight them with straight fists, they will rich your sh_t metaphorically and literally
killable by therizno.