If you look at that one his is deformed, its hard to see but just when you go past his eye you casn see the gill, well he has a gap there where there is supposed to be a gill.
He was half price £2.50 lol because he was like that, it only notices when you go right upto him then you can see a large gap.
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Hes ok, hes grown and copes perfectly well, i didnt even notice it till the shop assistant told me and i'd already picked him out anyway.