Not really. The tang already had one freshwater dip previously (when it arrived) so this was a second followup. I saw 2 come off for sure (may have been a third). The tang went from an occasional rub against some of the rocks to care free immediately after. He was behaving perfectly fine during acclimation and after I observed him in my tank for about 30 minutes.You were not worried about the flukes ?
We've got a very eager bicolor cleaner wrasse in the tank that just lives for cleaning the fish - and he's quite effective at it. And I have Prazi just in case - but I've yet to use it.
I'm quite certain I've introduced some diseases and/or parasites over the past year or so - despite all the fish being very healthy, eating well and not exhibiting any adverse behaviour (there are other aspects and things I look out for as well). Feeding the fish well, supplementing, boosting their natural immunity as well as running UV/ozone has been paying dividends.
I haven't lost any fish due to injuries, illness or disease; misadventure seems to be the #1 leading cause of death. Every now and then a small fish will just disappear; sometimes I find a body - often not (I also have a very effective cleanup and scavenging crew). Sometimes I write a fish off and then it shows up out of the blue (like one of the lyretail chromis I just got that apparently got separated from the swarm, and hid out for a day until he found his comrades again).
Right now I've got a blue-sided fairy wrasse, clown goby and starry blenny that I can't locate. The clown goby was last seen in the sump and may still be hiding out there. The blenny disappeared immediately after I introduced him and could still be alive somewhere in all the rockwork (my new 5" decorator crab completely disappears during the day, so if it can pull that off a 1.25" blenny would have no problem flying under the radar). At a loss with the wrasse; it definitely didn't jump, so it's possible it just went into the sand bed for an extended duration).
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