Smallest crustacean
- Who
- Stygotantulus stocki
- What
- 0.094 millimetre(s)
- Where
- Not Applicable
- When
- 16 November 2013
The smallest species of crustacean (and also arthropod of any kind) is Stygotantulus stocki, a tantulocarid. This tiny creature measures only 0.094 mm long, and is an ectoparasite of harpacticoid copepods (which are themselves crustaceans).