Common otter shell
![](https://phylogame.org/wp-content/themes/phylo/img/generated-card-images/br-DFE4E6-ocean-fresh-water-tundra-1.png)
Common otter shell
Lutraria lutraria![Scale 6](https://phylogame.org/wp-content/themes/phylo/img/num/6.png)
![Diat: herbivore , Hierachy 2](https://phylogame.org/wp-content/themes/phylo/img/num/herbivore2.png)
![](https://phylogame.org/wp-content/uploads/2015/03/Lutraria-lutraria.jpg)
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