Elegance coral after eating

[rt67ghy]

I've had this elegance for about a month and noticed the tentacles totally retract after eating. This is the image before the meal:

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This is after a meal of shrimp:

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My question is is this normal and how long will it remain like this?

 

[rt67ghy]

Here's an update. The coral returned to its previous appearance about 6 hrs after feeding. I'm assuming that its tentacles retracted so it could use the fluids to aid in digestion of the food and the EC was not interested to catch any more food.

 

[DEA Coral]

Totally normal.

 

[rt67ghy]

Thanks. It had me worried for a while.