two spot goby- breeding

[tongascience]

are there anyone keeping the two spot / four wheel drive goby (singnigobius biocellatus) or have any experience with a pair. or maybe a single long-term specimen. any info at all would be greatly appreciated.

 

[MimicTang]

I got 2 they're together 24/7. I asked LiveAquaria for a pair and poof I got 1. They fight with conspecfics if not mated or so I read. They go crazy for Krill like its candy or something.