"El pescado" is <em>him</em> (in English "it"), therefore we use the 3rd singular person verb form of the present tense of the verb oler (to smell) which is "huele".
This is verb is somewhat irregular, look at the present tense of oler:
What are 4 Characterizations to describe Victor? First of Secondary by Gary Soto. Find 4 quotes from the reading. At least one inaccurate and one direct.