- ... that the floating barnacle Dosima fascicularis (pictured) sometimes grows on turtles and even sea snakes?
- ... that although their larvae have been known since 1887, the adults of the crustacean group Facetotecta have never been seen?
- ... that a colony of the crab species Potamon fluviatile may have lived in Rome since before the Romans?
- ... that the deep-sea decapod Kiwa hirsuta discovered in 2005 was dubbed the yeti crab by its discoverers on account of its hairy appearance?