a crab eats a periwinkle
Periwinkles snails are preys for octopuses, craps etc
people eat periwinkles and animals when there hungry
Periwinkles eat microscopic algae and plankton.
Periwinkles survive in extreme colds because they are part of the evergreen family.
Periwinkles live in groups, just like mussels, to retain moisture.
yes
the periwinkle snail eats the algae that grows on the cord grass.the periwinkle snail also uses the cord grass as a place to hide from predators.
atlantic ocean
humans aliens bugs
Blue periwinkles a stuck onto rocks by a string of dried mucas which acts like a glue.
Checkered elephant shrew.