"Pennaria disticha", also known as the Christmas tree hydroid, is a species of athecate hydroid in the family Pennariidae. Colonies are common in the Mediterranean Sea growing on rocks close to the surface. This species has been used in research into prey capture.
Similar species: Anthoathecata
Uploaded Oct 21, 2022. Captured Oct 7, 2022 10:18 in 5G79+2M Tabarca, Spain.
Posted 4 months ago