this pack will have a mix of small inverts from 4 inverts to 40 depending on what pack you pick it will contain a mix of 
NASSARIUS SNAILS
HERMIT CRAB(ALGAE-EATER)BLACK
CERITH SAND SNAILS
NEEDLE SNAIL
SPINY ASTREA SNAIL
GRAZER SHELL
HERMIT CRAB(ALGAE-EATER)DALMATIAN
BUMBLEBEE SNAILS
 
We will pick a mix for you unless you ask us for specific inverts