Septifer bilocularis 30.8mm / Rare Blue colour / GEM
Septifer bilocularis 34.4mm / Uncommon Pink colour / F+++
Septifer bilocularis 36.7mm / Common Orange colour / F+++
 
Linnaeus 1758
Mytilidae
Uncommon
Off Koh Samui, Thailand 2017
Collected by gypsy diver on the roots of the Deer Coral at 20 meters deep