Robyn J. Waayers, USA
Info
Nucella ostrina (Gould, 1852)
Like all members of family Nucellidae, Nucella ostrina has a strong shell and a horny operculum (dark brown).Conmmonly known as the northern striped dogwinkle, this species feed primary of the mussel Mytilus trossulus, M. californianus and the barnacle Balanus glandula.
The yellow, vase-shaped egg capsules, which are attached via short stalks to rocks well up in the intertidal and called "sea oats".Each capsule contains about 550 eggs.
Similar to Nucella emarginata.
Synonymised names:
Purpura ostrina Gould, 1852 (original combination)
Thais emarginata var. projecta Dall, 1915 (synonym)
Like all members of family Nucellidae, Nucella ostrina has a strong shell and a horny operculum (dark brown).Conmmonly known as the northern striped dogwinkle, this species feed primary of the mussel Mytilus trossulus, M. californianus and the barnacle Balanus glandula.
The yellow, vase-shaped egg capsules, which are attached via short stalks to rocks well up in the intertidal and called "sea oats".Each capsule contains about 550 eggs.
Similar to Nucella emarginata.
Synonymised names:
Purpura ostrina Gould, 1852 (original combination)
Thais emarginata var. projecta Dall, 1915 (synonym)
