How to add a caption to an image in Pages

How does one create a caption for an image in Pages? In Word it is easy, you simply right click on the image and “Insert Caption…”, but I cannot find any way to do it at all in Pages? You can set a ‘Description’ on an image, however that only affects voiceover, which I do appreciate! But I also want the ability to move the image and it’s caption together. I am using Pages 5.5.2, I understand that this is easier in Pages ’09, but I don't have that version anymore… ***Edit:*** The only method that I have found that vaguely works is to create a new text box, manually make the text box the same size as the image, and text, set the paragraph style to caption, and, *finally*, group the image and the text box together so that they are treated as a unit. I hope that there is a simpler way that I have just missed somehow!