Anakin exploits the holo for what he can, rewatching things from different angles so he can get a better understanding of the wildlife. It's part of the reason he's pausing and replaying parts.

But he does notice the smell of food. It'll have to grow stronger but he's stopped the holo and starts heading towards the galley only a few moments before there is a summons, and it's more his water is empty and it's the roughly the time of shift they eat than feeling hunger. So his feeling is acknowledgment and he puts some hustle in his step.

"I'm here."