Which words or phrases in this excerpt from Elizabeth Bishop's "The Fish" compare the fish to an old, experienced soldi
A green line, frayed at the end where he broke it, two heavier lines, and a fine black thread still crimped from the strain and snap when it broke and he got away. Like medals with their ribbons frayed and wavering, a five-haired beard of wisdom trailing from his aching jaw. I stared and stared and victory filled up the little rented boat, from the pool of bilge where oil had spread a rainbower?
I. "Like medals to their ribbons" : a decorated solider is one who is experienced in battles and has won many of them , hence why has the medals.
II. "Frayed and wavering" : He is old and worn out by the many battles.
III. A five-haired beard of wisdom : Beard + Wisdom are typically associated with old age and experience. Notice the 5. It's more wisdom and a bigger beard than normal.