Just lost one of my boys a few minutes ago. Was one of my favorites too, whom I had breeding plans for.
I have no idea what happened. Only things I noticed is that his colors were very dull today, wouldn't eat and his fins and rays looked raggedy. He also seemed to be gasping and he stayed completely vertical with his mouth at the surface. The others all have the same water params, temp, etc and they're all perfectly healthy, so I don't know what happened x.x I had just done a water change today too.
In any case, RIP Fin Diesel :(
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