McCoskers in a nano

[Deinonych]

Having different species (male) is just as effective for evoking flashing behavior.

+1

Plus, you run the risk of the females turning male and causing problems long-term. Female Paracheilinus sp. wrasses are not collected as often and are more difficult to come by as well.

 

[donut0079]

Mine flashes at my goby when he does.