As above Decembers comp is Prawn or Shrimp, or indeed both it's up to you.
Last entries to be in by 29-12-2019 and the poll will be up shortly after.
This should be an easy one lets see what you've got.
Common Prawn - (Palaemon serratus)
Spotted cleaner shrimp - (Periclimenes yucatanicus)