Radulinopsis taranetzi Sculpin Copulation and Internal Fertilization

This is a pair of Radulinopsis taranetzi sculpins preparing to copulate, with the male on top. Internal fertilization takes place in this species, with the female depositing her clutch of eggs after choosing a suitable location, then covering them with sand and rubble. Females of this species use their wide mouths to suck water over the eggs in order to aerate them.

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Filename: radulinopsis-taranetzi-sculpins-copulation-internal-fertilization-japan-202205-2432.tif
Copyright: Copyright Tony Wu. All rights reserved. No duplication, reproduction or usage without prior written permission.
Image Size: 6447x4298 / 79.5MB; https://www.photoshelter.com/support/license#rm; https://www.tony-wu.com/contact-tony-wu; Bony Fish Sculpin Animalia Chordata Osteichthyes Actinopteri Perciformes Cottidae Radulinopsis taranetzi Kimadara-yase-kajika Reproduction Copulation Pacific Japan Hokkaido
Contained in galleries: Marine Life Reproduction, Marine Life | Japan

This is a pair of Radulinopsis taranetzi sculpins preparing to copulate, with the male on top. Internal fertilization takes place in this species, with the female depositing her clutch of eggs after choosing a suitable location, then covering them with sand and rubble. Females of this species use their wide mouths to suck water over the eggs in order to aerate them.