>>38528121Basculin were last minute additions to the Unova dex because the designers realized by then that the region lacked its token fish Pokemon. I don't know the timeframe, but it seems like it was too short to give them decent evolutions. Honestly as much as I like Gen 5, it was riddled with soms revisions and last minute decisions to the roster:
>Artist block when coming up with an evolution to Dewott>Jellicent line originally going to be pure water, Ghost typing was added later on just because>Hydreigon line were originally meant to be cyborg tank dragonsLast one isn't too bad since a Dark/Dragon hydra is also a good concept, but I can understand those who would've liked a non-legend Steel/Dragon