Interestingi've heard of this in the past with these exact 2 fish. from what i was told the wrasse intrinsically knows they're competing for the same food source and sorts it out the way 6-lines do.
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Interestingi've heard of this in the past with these exact 2 fish. from what i was told the wrasse intrinsically knows they're competing for the same food source and sorts it out the way 6-lines do.
I've not noticed them attracted to light when I've seem them, but I usually didn't use a flashlight.Has anyone tried turning lights and sump off and hold flashlight to tank to see if the copepods would go to the light? Is so has it worked?
Most species aren't attracted to light . Also they aren't going to come out of substrate or rock work to go to the light natural instinct is to hide . Most of the hobby grade copepods aren't pelagic so you won't see them in the water colum . It's best to just let some film algea build up on the glass to try and draw some up out of the substrate. Even then the glass in a reef tank is only a vary small portion of surface area .I've not noticed them attracted to light when I've seem them, but I usually didn't use a flashlight.