Moon Fish Mage

Moon Fish Mage learn their spells from their moon fish familiar.

There spheres of influences are water and moonlight.

They can learn other spells from other sources but it take them the double of the time to learn them.

They have good relationship with mermaids and moon related creatures. 

Puffin's Paladin

Take the paladin class and add in some bard, trisckster and fisherman abilities.

Flying fishes are too much to handle for goblins