It depends on the environment...
If it is out in the open in a field, a tiger could probably gain better position and win.
However, if an anaconda is in hiding, waiting to ambush, it could subdue a tiger.
a tiger would win
A shark
a shark
shark
shark
shark
the great white shark will win
anacondonda
T rex
A shark or a baricuda it really depends on were they fight. Most likely the shark.
uh, a shark!!!
tiger shark