Fish ID

In the photo I can identify pyramid butterflyfish, moorish idol, half-and-half chromis and orange shouldered tang.

@animal_expert01 that’s all I could identify as well, plus moorish idol harassing an unidentified golden coloured fish at the back of the tank.

The fish with the yellow tail in the corner looks like a Two-barred Rabbitfish.

@animal_expert01 By the way these are bicolour Chromis not half and half.

@Yoshistar888 didn't even think of that species as a possibility, and you might be correct. I think the distance the fish are at however will make it hard to distinguish between the two species.

@animal_expert01 the species sheet (it’s not definitive) for the lagoon in shark bay says its bicolour