Answer:
This small creature kills even the largest one.
To you, rude would I never be, Though I flag my tongue for all to see.
You're gonna need a bigger boat to go after one of these toothy hunters.
I have legs but seldom walk; I backbite many but never talk; I seek places that can hide me because those that feed me cannot abide me
It is probably the most laid-back member of the animal kingdom.
What sphinxes employ and players enjoy.
Animal
Difficult
Easy
Food
Funny
Kids
Logic
What am I?