#ed_op#DIV#ed_cl##ed_op#SPAN class=postbody#ed_cl#I know it is not smart to have two arrow crabs unless you have a very large tank but what about other invertebrates? I really like the look of the arrow crab but was also interested in maybe two cleaner shrimp. Does the arrow crab pose a treat to anything other than another arrow crab? #ed_op#/SPAN#ed_cl##ed_op#SPAN class=gensmall#ed_cl##ed_op#/SPAN#ed_cl##ed_op#/DIV#ed_cl#