Octopus sinensis Protecting Eggs Out of Season

This is a female East Asian common octopus (Octopus sinensis) protecting a clutch of eggs during the winter, which is not the usual time of year for this species to brood eggs. Reproductive activity is most common during the summer months. This female was eventually successful. Some eggs started to hatch after 62 days, running until 76 days. Hatching during the normal season requires only a few days.

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Filename: octopus-sinensis-east-asian-common-octopus-eggs-japan-202101-1061.tif
Copyright: Copyright Tony Wu. All rights reserved. No duplication, reproduction or usage without prior written permission.
Image Size: 7120x4005 / 82.1MB; https://www.photoshelter.com/support/license#rm; https://www.tony-wu.com/contact-tony-wu; Cephalopod Animalia Mollusca Cephalopoda Octopodiformes Octopoda Octopodidae Octopus sinensis East Asian Common Octopus Madako Reproduction Eggs Pacific Japan Kanagawa Prefecture
Contained in galleries: Marine Life Reproduction, Cephalopods, Marine Life | Japan

This is a female East Asian common octopus (Octopus sinensis) protecting a clutch of eggs during the winter, which is not the usual time of year for this species to brood eggs. Reproductive activity is most common during the summer months. This female was eventually successful. Some eggs started to hatch after 62 days, running until 76 days. Hatching during the normal season requires only a few days.