How do you identify a Shiny Basculin?

Question

Without it sparkling at the start of the battle, I mean.

Answer 1

The shiny one, which is the right one, is a lighter shade of green compared to the normal one.

Comments

May I also add that its fins are a pale yellow and the red stripe is slightly orange.

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Plus, there will also be a sparkling animation on the Pokemon.

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Questions specifies "Without it sparkling at the start of the battle, I mean"