Cystoseira baccata is a type of brown seaweed in the family Fucaceae. The name baccata means “berry-like” and refers to the small air bladders.
Rossglass has an extended beach, a mixture of sand and various rocks of different sizes. St John’s Lighthouse is in the distance. The site is also the first in Northern Ireland to have a bye-law to protect shore-nesting birds and seal pups from disturbance during their breeding season.