Pinnotheres maculatus Directory References Discover 6 Animals We Ate Into Extinction Why Do Some Cicadas Appear Only Every 17 Years? 7 of the World’s Deadliest Plants Is Cinco de Mayo Mexico's Independence Day? 12 Novels Considered the “Greatest Book Ever Written” 7 Deadliest Weapons in History 9 of the World’s Deadliest Snakes Contents Pinnotheres maculatus crab Ask Our Chatbot a Question Ask Our Chatbot a Question Learn about this topic in these articles:pea crabs In pea crabP. maculatus, with a range similar to that of P. ostreum, is found in the shells of scallops, clams, and mussels. P. pisum, found in European coastal waters, lives in mussel and cockle shells. Read More