The rock crab is a robust, hard-shelled crustacean often found in rocky coastal habitats, where it uses its strong claws to catch prey and defend itself.
The toad crab is a hardy crustacean often found in rocky and sandy areas along the North Atlantic, where it hides in crevices and feeds on small invertebrates.
The common periwinkle is a hardy marine snail found along rocky shores and intertidal zones. It is well adapted to withstand harsh conditions, using its operculum to seal itself inside its shell during low tide.
The blue mussel is a bivalve mollusk commonly found in intertidal and subtidal zones, where it forms dense clusters attached to rocks and other surfaces using strong byssal threads.
