Portal:Crustaceans/Did you know/11

Oncaea venusta (Copepoda: Oncaeidae)

... that Poecilostomatoida (Oncaea venusta pictured) are parasitic copepods?
... that the estuarine, burrow-dwelling ghost shrimp Neotrypaea californiensis is used as bait, but is sometimes attacked with insecticides because it damages Pacific oyster farms?
... that the Pentastomida are parasitic invertebrates commonly known as tongue worms because of their resemblance to vertebrate tongues?
... that the barnacle Megabalanus can reach 7 cm in length?