A sea lion is a large sea mammal that has four flippers. Sea lions are fast swimmers, but slow on land. A sea lion in a dream could represent a parable to show you the importance of remaining in the element God has created you for.
Positive: Dreaming of a sea lion swimming in a dream could represent God showing you the freedom that you will always have by staying in the Spirit. A sea lion chasing you on land could represent Satan coming after you but having an ineffective attack because he is out of his element.
Negative: Seeing a sea lion in your dream could represent an attack. If a sea lion is chasing you in water it could be a sign of an effective attack from the enemy.
(Ephesians 4:11; John 4:14; Colossians 1:13; 1 Peter 5:8).