Hirudora > Yata > Senjikizame
Hiru isn't a chakra technique, so there's no element to counter.
Yata seems to have infinite potential in terms of output, so it can block the sharks forever. Well, actualy the sharks would.win by attrition. However, its also likely that Yata doesn't use chakra for its supply, which means the sharks will simply be blocked by earth.