Portal:Crustaceans/Did you know/19

... that the mutualism between hermit crabs and the sea anemone Calliactis parasitica (pictured) may require the presence of an octopus?
... that Hemioniscus balani is called a "parasitic castrator" although its barnacle host remains a functioning male because the barnacle can no longer also function as a female?
... that mass strandings of the squat lobster Pleuroncodes planipes occur in California during El Niño years?
... that Leach's spider crab lives with the snakelocks anemone, eats the anemone's food and mucus and is protected from predators by the anemone's stings?