The anandromous stickleback fish posses lots of spike and plates for protection.
Step-by-step explanation:
D. Both A and B
The anandromous stickleback fish has a protective armour in the form of lots of spikes and full armoured side plates. Whenever chased by a predator it spreads its plates and spine . As a result , the predator could not swallow it or tears its jaw injuring itself.