numbers?

[carpenterwrasse]

Is there a number of crabs that i should keep in my 75???? I did buy 1,I have very little bubble algea in my tank that is why i got him should i get a second?
What about peppermint shrimp I have a few aptasia about 6 to 10 and want to use the shrimp to get rid of them.

[jojo22]

What type of crabs??? On the shrimp I would do 4.

[carpenterwrasse]

emerald crab....how dumb of me not to say that

[jojo22]

If he ate the bubble algae I would leace it at just him, if he can't handle it the get him a helper.

[carpenterwrasse]

well I'll let you know if i can find the little bugger....