i made a girl for my current sim to get with but he was taking selfies with his friend and i'm pretty sure he's fruity and i made the girl for nothing... :
The Sims Resource - Tank Top TS3 033
Mod The Sims - TS2>TS3 Aquabox Five-Gallon Aquarium Conversion
Bobsim's Sims 3 3D Tank Top for Men | bobsim Sims 2 & 3 creations
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Mod The Sims - Fish Tank Capacity and Fish Bowl feeding mods