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Radulinopsis taranetzi Sculpin Nurturing Eggs

This is a female Radulinopsis taranetzi sculpin tending to her clutch of eggs. Females of this species extend their mouths into the wide shape pictured here to suck or vacuum water around the eggs in order to aerate them and keep them clean and healthy. When the time comes, vigorous vacuuming helps the juveniles to hatch. The eggs pictured here are well-developed, only a few days from hatching.

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Copyright: Copyright Tony Wu. All rights reserved. No duplication, reproduction or usage without prior written permission.
Image Size: 5853x3902 / 66.1MB; https://www.photoshelter.com/support/license#rm; https://www.tony-wu.com/contact-tony-wu; Bony Fish Sculpin Animalia Chordata Osteichthyes Actinopterygii Perciformes Cottidae Radulinopsis taranetzi Kimadara-yase-kajika Reproduction Eggs Pacific Japan Hokkaido
Contained in galleries: Marine Life Reproduction, Fish Photos, Marine Life | Japan

This is a female Radulinopsis taranetzi sculpin tending to her clutch of eggs. Females of this species extend their mouths into the wide shape pictured here to suck or vacuum water around the eggs in order to aerate them and keep them clean and healthy. When the time comes, vigorous vacuuming helps the juveniles to hatch. The eggs pictured here are well-developed, only a few days from hatching.