Is the "yellow coris wrasse" Halichoeres chrysus? if so, it is not a coris and should be fine with Coris gaimard.
While it is coral safe, I am not sure if it would be alright in your set up. 72g is a bit on the low side, I would say minimum 100g for a full grown specimen. Might beat up on smaller less dominant fish. will likely eat smaller invertebrates like shrimp and crabs. big jumper, canopy/tank lid is a must.
edit: for the record though, it's a beautiful fish and one of my personal favourites
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