Growing up

Correction: he also grows 2 extra fingers on each hand, he now has eye lids, his eyes are no longer dialated, his nose is more defind, his swirl become thinner, he became larger in size, his arms and legs are longer, and the white patch the swirl is on is no longer circular in shape.

i think magic karp is a better depiction of growing up.

He did go from Poliwhorl to Poliwrath, so it makes sense he's now angry