Nestled inside a pocket of alien pink landscape is a Castelnau's Goby,
Nesogobius pulchellus
Like all gobies this one is cute, curious and you can almost imagine it wanting to startup a conversation.
Make a sudden move though and in the blink of an eye there will only be an empty pink grotto.
Photo: Robert Rath, 'Pink Grotto' 1/200s f/18 ISO100 100mm