Mantis shrimp
Could it be a mantis shrimp? They will eat a fish.... and another fish and another fish....
Usually they live in rocks, Im not sure what acro is?
Ranzreef
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Hello
If ya get a chance check out my website, it is a
overview of my system and how I built my 330 gallon
tank over 430 gallons of marine water volume.
http://members.shaw.ca/ranz/
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