Fade with the darkness

Pacific double-saddle butterflyfish
Butterflyfish Fact

At night, butterflyfish settle into dark crevices, and their brilliant colors and markings fade to blend with the reef background.

The butterflyfish are a group of conspicuous tropical marine fish of the family Chaetodontidae

Etymology
Chaetodontidae – The family name from Ancient Greek words χαιτέ, chaite ‘hair’ + οδοντος, odontos ‘tooth.’ This is an allusion to the rows of brush-like teeth found in their small, protrusible mouths.

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