Winkles or periwinkles don't usually eat crabs, they tend to graze on algae in the intertidal zone with their scraping mouthparts, but do sometimes eat small barnacle larvae. It would mostly be the other way around - crabs eating periwinkles. Both are somewhat opportunistic feeders and crabs are known to be omnivorous, as well as mollusks like the periwinkle will eat worms, other crustaceans, fungi, detritus, and also algae. Some crabs specialize, and some eat fish.
crabs
Anything that will eat a snail will eat a winkle. Examples include crabs, shore birds, octopuses, and the mulberry shell, which is itself a snail.
octopuses eat crabs...
crabs eat every 6 hours for me but it could be different for other crabs crabs eat every 6 hours for me but it could be different for other crabs crabs eat every 6 hours for me but it could be different for other crabs crabs eat every 6 hours for me but it could be different for other crabs
they eat humans fiddler crabs eat other smaller crabs
no its the other way around red snappers eat crabs no its the other way around red snappers eat crabs
RainBow Crabs Eat Each Other Once In A While.
mitten crabs eat the same as other crabs except that mitten c rabs eat more of a variety of vegetables.
Crabs do eat other crustaceans like barnacles, krill, shrimp and crayfish.
Xanthid crabs eat mostly on algae, but also eat other marine vegetation. Xanthid crabs are poisonous and cannot be eaten by humans..
Snow crabs are scavengers and they eat Dead fish or other animals after the other predator is done with it. They also eat algae, seaweed, and other plants
Crabs do forage and eat tuatua. Other crustaceans dine on them as well such as slaters, shrimps, lice and sandhoppers.