Springfish is available--storm level 1- in the Commons, the Oasis, Jade Palace, and the houses that have fishing. As for the Apri; Fool fish- Ol Boot- well I think it may be an April Fool prank. I fished out the Commons twice, the Oasis once, and several Botanical Gardens in castle tours and could not find any.
If you got to Wizard 101 Wiki there is a basic fish locator table that will list all 161 fish, where they can be found, the type,level,school, etc. I print it out and mark it off when I catch that kind of fish. All the fish you catch are listed in the fish basket and amount of each kind. I just like to know what fish are in the area I am going into and do I need to catch a certain fish there.
TY very much. Just finished my Mooshu and Dragonspyre quests. Here's a helpful hint - do the Mooshu quests first and it will give a spell that helps with the Dragonspyre quests.