Anthias dying one by one

[anthonys51]

Can't completely rule out diseases simple because you treat and qt. A lot is not know about Fish and diseases. We simple haven't done enough scientific reread to learn about them as it pertains to our little closed systems. In Saying that Anthias have really fast metabolism and need to eAt small meals though out the day. Also you need to feed a vary diet to ensure they are eAting the right food. Also stress form others in the tank and especially others in the pecking order can eventually be too much on the fish especially if water quality and feeding isn't perfect. This isn't to say you aren't doing everything right and maybe an internal parasite or disease simple didn't just linger and eventually came out to kill the fish. I kept freshwater discus for years. I had fish live and grow for 2 years then simple just stop eating and die. With no new fish ever added to tank. So it's hard to pinpoint sometimes why these things happen


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[ca1ore]

It's certainly possible that one fish is transitioning and exerting dominance. doesn't seem like disease really.

 

[anthonys51]

It's certainly possible that one fish is transitioning and exerting dominance. doesn't seem like disease really.

Fish can still get a disease months and even years after you put them into a tank even though no new fish was added. You been in this hobby a long time. Tell me you never had a fish die out of the blue even though no new fish have been introduced to the tank and water was fine


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[ca1ore]

Fish can still get a disease months and even years after you put them into a tank even though no new fish was added. You been in this hobby a long time. Tell me you never had a fish die out of the blue even though no new fish have been introduced to the tank and water was fine.

Depends on how you define 'disease'. Did I ever have a fish develop a communicable disease many months after the last introduction - nope, never. Have had some die for no apparent external reason, yes. Not saying it's impossible, thus my use of the word 'seems', but it is odd.

 

[anthonys51]

So why did you think your fish died for no apparent reason. We will assume it wasn't old age. You don't think it was disease?


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[ca1ore]

So why did you think your fish died for no apparent reason. We will assume it wasn't old age. You don't think it was disease?

Like I said, depends on what you mean by disease. Couple of years ago I had an otherwise healthy and eating Sailfin just die. It was propped up between two rocks as if it was just resting. Hard to diagnose 'no apparent reason' deaths. I'd had it for two years so I think collection reasons can be reasonably ruled out. Stroke, heart attack, alimentary obstruction ...... who knows. Those would be 'disease' though FWIW, anthias particularly can be very twitchy and be literally scared to death.

 

[anthonys51]

Like I said, depends on what you mean by disease. Couple of years ago I had an otherwise healthy and eating Sailfin just die. It was propped up between two rocks as if it was just resting. Hard to diagnose 'no apparent reason' deaths. I'd had it for two years so I think collection reasons can be reasonably ruled out. Stroke, heart attack, alimentary obstruction ...... who knows. Those would be 'disease' though FWIW, anthias particularly can be very twitchy and be literally scared to death.

Yes anthias can be very scared fish. I notice the more fish in the tank the more they come out and swim

I have 3 different types. Each one I started in my 80 frag as the only fish beside yellow wrasse and socpas tang. They all took days to eat aggressively and would all run to hide when I can back to the tank. As soon as I put them in my 265 with a lot of fish they where not shy at all. Well besides running when my male lyertail chased them


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[running scott]

No success with Anthias for me either. Started with a group of 5 female Lyretails. One would turn male, wear himself out displaying, chasing, not eating enough, and eventually die. Each one did this in succession. I now have one female that's been just fine.

 

[anthonys51]

No success with Anthias for me either. Started with a group of 5 female Lyretails. One would turn male, wear himself out displaying, chasing, not eating enough, and eventually die. Each one did this in succession. I now have one female that's been just fine.

If your tank isn't bigger than a 125 I would only keep one. Yes you can and might get away with keeping a few in a smaller tank. But most of the time they bully each other to death


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[running scott]

If your tank isn't bigger than a 125 I would only keep one. Yes you can and might get away with keeping a few in a smaller tank. But most of the time they bully each other to death


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This is in a 160 gallon tank. Only the males would die one at a time.


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[anthonys51]

This is in a 160 gallon tank. Only the males would die one at a time.


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Ok then it's not tank size. What type of anthias was it. Some types you should only have 1 male to a tank


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[running scott]

lyretails, when one male died, the next most dominant female became male. Then he would act the same way and die until I'm left with one female. She is staying female, and doing great.

 

[anthonys51]

Anthias dying one by one

lyretails, when one male died, the next most dominant female became male. Then he would act the same way and die until I'm left with one female. She is staying female, and doing great.

Only 1 male lyertail to a tank. I bought 1 male and 3 females. 2 of the females died shortly. I then added 6 females to the mix 2 years later and 6 months later they are all alive. I also feed them a lot , 3 times a day. With that many fish you need to make sure they are all eating. You might have your makes dying because it's wasting too much energy trying to be dominant and not getting enough food.


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[shaginwagon13]

Yep this was also my case. No wounds, no aggression or bullying. At most there was flashing between the trio, but there wasn't any physical contact between the fish even than. Plus no fish went into hiding due to that.

In my case the progression was like this;

1- All anthias acted normal, was eating and breathing at normal rates and was swimming in the open.

2- One anthias started to hide more than usual, I still came out to eat and spent some time with the other anthias in the open.

3- Anthias that started to hide also started to act oddly. It would still come out and eat but It would also got spooked for no apparent reason. For instance, while hiding it would dart out from the cave at full speed, hitting the glass or rocks and breathing at a super high rate. Then it would calm down and return to the cave and breathing rate would drip to normal levels.

4- Hiding anthias lost interest in food. The small amount of food that it shows interest is not eaten and spitted out. Odd behaviors were becoming more and more frequent with fish darting around the tank for minutes in some cases as if it is being chased by something.

5- Hiding anthias stopped eating completely. It seemed to be in a constant state of confusion. Either darting around or always being in an alert state (looking around and acting from inside the cave as if there is something out there ). When light are dimmer it seemed calmer.

6- Anthias died. All my anthias that progressed this way died in 2-3 days. Most died during the night but one fish that died during the day was constantly darting around and it eventually started to lose its balance and was just swimming aimlessly until death.

You know symptoms of cyanide poisoning in humans include confusion, bizarre behavior, seizures, vertigo and hallucinations. These mostly result from the damage to the nervous system since cyanide is a neurotoxin. Its hard to compare human symptoms to fish behavior but I was able to see some similarities to it.

Exact same thing happened to me to all 4 of my Bartless Anthias. Lost the last one this week I found it floating. Absolutely no idea why.

 

[Tripod1404]

Exact same thing happened to me to all 4 of my Bartless Anthias. Lost the last one this week I found it floating. Absolutely no idea why.

I assumed it was cyanide poisoning. Several weeks later I got another batch. They all are doing very well for 6 months or so.

 

[shaginwagon13]

I assumed it was cyanide poisoning. Several weeks later I got another batch. They all are doing very well for 6 months or so. I u

That's what I was thinking also.... I asked the store and they said it wasn't.. but anything can happen when shipments come from countries with less strict catching practices.

 

[ca1ore]

I bought six bartletts week before last and have only one left. Same progression as noted, one by one. I tried treating with antibiotic after the third one died, but it made no difference. Very strange.

 

[ca1ore]

Appears, in my case, to be either uronema or marine tuberculosis.

 

[shaginwagon13]

Appears, in my case, to be either uronema or marine tuberculosis.

How did you determine that?

 

[ca1ore]

Body discoloration and ulceration. I don't know for sure, of course, but it certainly appears to be U.