I think that at fishing rank 6 you should get a school pet quest
the pets (all give 16 energy at baby. And 1st gen get may cast reveal fish school at teen )
Fire: Dragonling fishy (New dragonspire fish) Ice: Hunter Penguin (Emperor Penguin with a fish wiggling in his beak) Storm: Bubble Dolphin (baby bottlenose dolphin) Myth: Old Flounder (A flounder with a myth symbol on it) Death: Ghostly Coelacanth (A ghost coelacanth fish!) Life: Nurse Shark (A shark with a nurse hat on and looks really precious) Balance: Judge crab (A crab holding the judgement scales)