Antennular plate with 2 large spines. Exopod of third maxilliped present, with flagellum. Transverse groove of abdominal somites with straight margins, not crenulated. Transverse groove abdominal somite 2 does not join groove anterior margin corresponding pleura. Transverse grooves of abdominal somites 3 and 4 join groove along anterior margin of corresponding pleuron.
Colour: body dark purple with some greenish, not speckled. Irregular pale bands along posterior margin of abdominal somites, sometimes whitish spots mixed in with them. Spots present on basis of tail fan. Antennulae not banded. Legs with narrow pale longitudinal streaks.