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Radulinopsis derjavini Eggs Hatching

This is a female Radulinopsis derjavini sculpin hatching her clutch of eggs by agitating them with her mouth. Females of this genus tend to their eggs, using their specialized mouths to suck or vacuum water across the developing juveniles to aerate them. In other sculpin genuses, males take responsibility for nurturing eggs.

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Filename: radulinopsis-derjavini-sculpin-eggs-hatching-japan-202205-2292.tif
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Image Size: 6205x4137 / 74.6MB; https://www.photoshelter.com/support/license#rm; https://www.tony-wu.com/contact-tony-wu; Bony Fish Sculpin Animalia Chordata Osteichthyes Actinopteri Actinopteri Perciformes Cottidae Radulinopsis derjavini Derjavini's Sculpin Yase-kajika Reproduction Eggs Hatching Pacific Japan Hokkaido
Contained in galleries: Marine Life Reproduction, Fish Photos, Marine Life | Japan

This is a female Radulinopsis derjavini sculpin hatching her clutch of eggs by agitating them with her mouth. Females of this genus tend to their eggs, using their specialized mouths to suck or vacuum water across the developing juveniles to aerate them. In other sculpin genuses, males take responsibility for nurturing eggs.