This information is awaiting authentication by a species expert, and will be updated as soon as possible. If you are able to help please contact: arkive@wildscreen.org.uk
Glossary
Crustose: a crust-like growth, often used to describe species such as lichen.
Gametes: reproductive cells: sperm or eggs.
Herbivorous: diet comprises only vegetable matter.
Phytoplankton: Microscopic floating plants, mainly algae, that live suspended in bodies of water and that drift about because they cannot move by themselves or because they are too small or too weak to swim effectively against a current.