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Definition of Counterillumination
1. Noun. (biology) A behaviour, found in some cephalopods etc., in which bioluminescence is used to provide camouflage when viewed from below. ¹
¹ Source: wiktionary.com
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1. Noun. (biology) A behaviour, found in some cephalopods etc., in which bioluminescence is used to provide camouflage when viewed from below. ¹
¹ Source: wiktionary.com