What are the eating habits of red king crabs as adults?

I’m going to assume that you are talking about Paralithodes camtschaticus (aka Red King Crab) since it is the main commercial species of king crab. They eat pretty much anything they encounter - worms, bivalves, echinoderms, algae, carrion, etc. read more

no, the red crabs are not edible as they are actually toxic for humans. the robber crabs or coconut crabs as they are known are VERY edible but as they are protected very few people can actually say what they taste like . read more

Consumption was greater in spring and summer and in offshore locations at depths of 126 to 150 m. In addition, king crabs <140 mm carapace length (CL) consumed more food than crabs ≧140 mm CL. read more