Answer:
The poem creates suspense by showing several scars on the fish, in addition to showing that the gills and jaws were severely damaged by hooks, which created a suspense about everything that fish lodged. Because of this, the speaker of the poem decides to release the fish.
Step-by-step explanation:
In the poem we are introduced by a speaker who caught a large fish. However, this fish had a peculiar appearance, its body had several defects and as the speaker describes these defects, there is a suspense in the growing poem about what experiences this fish went through. The speaker then realizes that these defects were proven by hooks, so the speaker concludes that the scars and defects of the fish are medals of the victories he won to survive, for this reason, the speaker decides to release the fish and let it go away.