RT @SchmidtOcean: Some polychaetes are bioluminescent; this sassy sparkler has protein structures in the bristles, making them iridescent. Polychaete means many bristles, and each body segment has a pair of fleshy protrusions called parapodia covered in bristles called chaetae. #ChileMargin2024 Antarctic Science Mission Antarctica by @MissionAntarctica A @grttme project - Other backups: @Hallotme