Beani with HITH like symptoms?

[Stampion]

I’ve asked this ? Before on this site and never really got to the bottom of it.At times all 6 of my beanies show small holes in their heads had them almost as long as I’ve had the fish and then they seem to go away and then come back again.There fed a very varied diet consisting of allot of lower protein higher veg content food.Ive had then 4 months now they eat like pigs and have had no poop issues.Do a ton of water changes treating new water with prime water temps at 75 kept in a 125 for now.Did a full treatment of Paraguard and metroplex about a month ago water parameters are near perfect 0 ammonia,0 nitrites and usually under 10 ppm nitrates.Filters are an fx6, and a eheim canister no carbon only biomedia and sponge filters.Tap water seems ok no ammonia
Or chlorine.So what could it be ?

 

[duanes]

Beanii are the most northerly cichlid, found on the west coast of Mexico, and to me, this means that they are not really tropical, but a sub tropical species. Nights in that area get quite cool, and the rivers begin high in the Sierra Madre Occidental mountains keeping them a tad cool.
In my time keeping beanii, I found if temps were too warm, they seem to be susceptible to bacterial infections, my first group came down with columnaris during a heat wave where water temps in my house reached mid 80s and remained that way for over 2 months (July thru Sept). HITH could be a similar heat stress induced bacterial infection.
So from that point on, I removed heaters from their tanks, and kept them at room temp.
My 2nd group spawned at temps between 68' and 70'F, and at those temps never came down with any more infections.
I also did 30-40% water changes every other day, with vacuuming to remove any detritus that would harbor bacterial colonies, and kept mechanical media in filter as clean.
I also put a few in my out door ponds, in Milwaukee where night temps easy only topped out in the mid 60s, and they seemed no worse for the experience.

male above, female below

below their tanks thermometer

 

[Stampion]

Beanii are the most northerly cichlid, found on the west coast of Mexico, and to me, this means that they are not really tropical, but a sub tropical species. Nights in that are get quite cool, the rivers begin in the Sierra Madre Occidental mountains keeping them a tad cool.
In my time keeping beanii, I found if temps were too warm, they seem to be susceptible to bacterial infections, my first group came down with columnaris during a heat wave where water temps in my house reached mid 80s and remained that way for over 2 months (July thru Sept). HITH could be a similar bacterial infection.
So from that point on, I removed heaters from their tanks, and kept them at room temp.
My 2nd group spawned at temps between 68' and 70'F, and at those temps never came down with any more infections.
I also did 30-40% water changes every other day, with vacuuming to remove any detritus that would harbor bacterial colonies, and kept mechanical media in filter as clean.
I also put a few in my out door ponds, in Milwaukee where night temps easy only topped out in the mid 60s, and they seemed no worse for the experience.

male above, female below

below their tanks thermometer

Beanii are the most northerly cichlid, found on the west coast of Mexico, and to me, this means that they are not really tropical, but a sub tropical species. Nights in that area get quite cool, and the rivers begin high in the Sierra Madre Occidental mountains keeping them a tad cool.
In my time keeping beanii, I found if temps were too warm, they seem to be susceptible to bacterial infections, my first group came down with columnaris during a heat wave where water temps in my house reached mid 80s and remained that way for over 2 months (July thru Sept). HITH could be a similar heat stress induced bacterial infection.
So from that point on, I removed heaters from their tanks, and kept them at room temp.
My 2nd group spawned at temps between 68' and 70'F, and at those temps never came down with any more infections.
I also did 30-40% water changes every other day, with vacuuming to remove any detritus that would harbor bacterial colonies, and kept mechanical media in filter as clean.
I also put a few in my out door ponds, in Milwaukee where night temps easy only topped out in the mid 60s, and they seemed no worse for the experience.

male above, female below

below their tanks thermometer

 

[Stampion]

It can’t get much lower than 75,my house is kept at 75 in the summer.And the holes,or should I say what appear to be holes come and go,sometimes I’ll see them then an hour later there gone.Sounds crazy but I’m not sure there actually lesions