Unidentified magelonid polychaete from Lizard Island lagoon. Identified to family level by Leslie Harris (Natural History Museum of Los Angeles County) through iNaturalist. Contributor Russell Qi-Yung Yong notes in iNat: "Incredibly small (1 mm not including tentacles); ... [note] long body chaetae incl bundle jutting from head (just about visible at 4-o-clock angle from head)".
© rqy-yong
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