Hahha I am with you on this... Although its impossible for me... Will be doing the closest thing possible ie hand carry from Singapore sometime or the other
They are all in a standard 5 gallon bucket (for size ref.). Without pulling out the ruler they look to range 5"-8"
Not many trying guess but Hao got close.
from the bottom pic going down we have ...
ornate(yellow form)
p.polli
retropinnis
p.palmas(far right pointing down)