Common star fish

Asteria rubens
Scale 7 Diat: carnivore , Hierachy 3

11 POINTS

Animalia, Echinodermata, Asteroidea

This species a carnivore, feeding on animals across a size range of 5-7. For example, it feeds on blue mussels by inserting its own stomach through the tiniest gaps opening the shell.
Habitats: rocky shore


Graphic by UK Marine

Elegant sea slug

Catriona gymnota
Scale 6 Diat: carnivore , Hierachy 3

9 POINTS

Animalia, Mollusca, Gastropoda

This slug gets its colour from its orange digestive gland, which is also a key feature to identify it. It is a predator of smaller animal species.

Habitats: rocky shore


Graphic by UK Marine

Common brittle star

Ophiothrix fragilis
Scale 7 Diat: omnivore , Hierachy 3

7 POINTS

Animalia, Echinodermata, Ophiuroidea

Filter feeds by suspending long arms in the water then passes food including organic matter and algae (size 2-4) to its mouth in the central disc.

Habitats: rocky shore, subtidal


Graphic by UK Marine

Snakeslock Anemone

Anemonia viridis
Scale 6 Diat: herbivore , Hierachy 2

7 POINTS

Animalia, Cnidaria, Anthozoa

This anemone is a suspension feeder on algae or particulate matter of size 2-3 and can be played with a species of zooxanthellae.
Habitats: rocky shore


Graphic by UK Marine

Copepod

Calanus finmarchicus
Scale 4 Diat: carbon-macromolecules , Hierachy 2

9 POINTS

Animalia, Arthropoda, Maxillopoda

Copepods are an important part of the plankton, feeding on algae and organic matter of size 2-3. They can be found in 4000m depth.

Habitats: rocky shore, open ocean, deep sea


Graphic by UK Marine

Common otter shell

Lutraria lutraria
Scale 6 Diat: herbivore , Hierachy 2

6 POINTS

Animalia, Mollusca, Bivalvia

To feed on algae or other suspended particles of size 2-3, this bivalve uses a siphon which can reach several times the length of its shell.

Habitats: rocky & sandy shore


Graphic by UK Marine