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Spirobranchus giganteus Broadcast Spawning

This is a male Christmas tree polychaete worm (Spirobranchus giganteus) engaged in broadcast spawning. The male is sending a stream of sperm into the water while nearby individuals were sending out gametes in synchrony. Some eggs from nearby females are visible in the water at full magnification. Photographed in Kagoshima Prefecture, Japan.

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Filename: spirobranchus-giganteus-christmas-tree-worm-broadcast-spawning-202306-1001.tif
Copyright: Copyright Tony Wu. All rights reserved. No duplication, reproduction or usage without prior written permission.
Image Size: 6084x4056 / 71.4MB; https://www.photoshelter.com/support/license#rm; https://www.tony-wu.com/contact-tony-wu; Polychaete Worm Christmas Tree Worm Animalia Annelida Polychaeta Canalipalpata Serpulidae Spirobranchus giganteus Ibara-kanzashi Reproduction Broadcast Spawning Sperm Pacific Japan Kagoshima Prefecture
Contained in galleries: Marine Life | Japan, Marine Life Reproduction

This is a male Christmas tree polychaete worm (Spirobranchus giganteus) engaged in broadcast spawning. The male is sending a stream of sperm into the water while nearby individuals were sending out gametes in synchrony. Some eggs from nearby females are visible in the water at full magnification. Photographed in Kagoshima Prefecture, Japan.