Sand covered spawn masses deposited on shells by other H. ulvae. Top right of image; two masses at larger scale, removed from shells to show white ova within. Mouth of Dee Estuary.
Sand covered spawn masses deposited on shells by other H. ulvae. Top right of image; two masses at larger scale, removed from shells to show white ova within. Mouth of Dee Estuary.
Sand covered spawn masses deposited on shells by other H. ulvae. Top right of image; two masses at larger scale, removed from shells to show white ova within. Mouth of Dee Estuary.
