invert compatabilty

[simonssymfony]

hello again..lol..im tyring to set each tank in its own uniqueness..i have 4 saltwater and 4 freshwater..tanks ranging from 10 gallon to 40 gallon
my question is ..is there a list of inverts i can put together ..i have a few but want more but cant get any good answers on the web as to what is compatable.....all tanks have plenty of various live rock..varius bottom gravels and sand..various sponges and a few coral hitchhikers..have slowly been adding to each tank......all tanks have been running in great perimeters...

one 20 gallon long tank has:
1-banded coral shrimp
1-tuxedo urchin
1-pencil urchin
nassau snails

one 15 gallon long tank has:
1-banded sand sifting star serpent
1-red emerald crab hitchhiker
1-green emerald crab
1-blenny--only one i've named..i call him scooter
nassau snails

one 10 gallon tank has:
1-sea cucumber
1-pencil urchin
nassau snails

one 30 gallon tank has:
1-coral eel catfish
1-snowflake eel
1-red hermit crab hitchhiker
nassau snails

[funlad3]

You could add hermits to any one of the tanks, the eels might try and eat them though.