hi guys,
can anybody help me with this problem? i have unwanted crabs living inside my tanks which have big claws.Suspecting that they had kill my fish...any fish can be introduce to get rid of them...
recently i jus brought one too from aqua marin... it keep staying on top of the rock under the light...All the leg lays flat on the rocks...the center of the star turn brown color do not know what's happening ..what 's the colour of ur green star at the middle ? does it have a green tube in the center of it...mine seem like rotten alway and become brown colour do not know what happen ..any advise? btw what is filter feeder? i feed him phyphlon