
Acorn barnacle
Semibalanus balanoides


8 POINTS
Animalia, Arthropoda, Maxillopoda
Acorn barnacles are filter feeders feeding on small organic materials such as zooplankton and small algae of size 2-3.
Habitats: rocky shore

Shore crab
Carcinus maenas


9 POINTS
Animalia, Arthropoda, Malacostraca
This species is an omnivore and can feed on any food items, including primary producers of size 4 and above.
Habitats: rocky shore & sandy, estuarine

Gallery worm
Capitella capitata


9 POINTS
Animalia, Annelida, Polychaeta
The gallery worm occurs in muddy sand and is tolerant of stressful conditions including pollution. Its food items range from size 3 to 4.
Habitats: rocky & sandy shore, estuarine

Dinoflagellate
Symbiodinium microadriaticum


11 POINTS
Chromalveolata, Dinoflagellata, Dinophyceae
This is a single celled algae which is found free living or in the tissues of species such as corals, sponges and molluscs.
Habitats: rocky shore, pelagic

Sea lettuce
Ulva latuca


6 POINTS
Plantae, Chlorophyta, Ulvophyceae
This green algae is common high on shore in areas near freshwater inputs or where nutrients are high.
Habitats: rocky shore, estuarine

Oarweed
Laminaria digitata


8 POINTS
Chromalveolata, Phaeophyceae
This brown algae is found low on the shore and gets its name from the finger like blades which can be up to 2m long.
Habitats: rocky shore

Diatom
Coscinodiscus radiatus


10 POINTS
Heterokontophyta, Coscinodiscophyceae
Although it only reaches a maximum size of 0.5mm, this diatom is one of the largest diatom species and is an important food source for small and juvenile crustaceans.
Habitats: rocky shore, open water

Tufted sea moss
Cladophora rupestris


6 POINTS
Plantae, Ulvophyceae
The tufted sea moss is a species of filamentous green algae, commonly eaten some parts of the world, including Laos.
Habitats: rocky shore

Bladder wrack
Fucus vesiculosus


5 POINTS
Chromalveolata, Heterokontophyta, Phaeophyceae
This seaweed is one of the most common algae in the UK. This algae provides shelter for smaller animals.
Habitats: rocky shore