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- Jan 10, 2020
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I have it for 2 mouth he is whit a yellow, powder brown, salifin, blue eye tang, fox face all the other tang look perfect everyone is relax and i have no agression at all just a bit whit the yellow and the powder brun at light closing but nothing to worry. And yea the spot is big that why i dont think its black ich. And my mel warsse seem really atractive on black spot on the tangThat is not likely to be black ich turbellarians, the spots look too large. However, it is likely hypermelanism (black pigment deposition) related to either an injury or a parasite. How long has it had these spots? Are they increasing in numbers?
Jay
Yea 1.026 is how i run my sps dominant tanksalinity is on the higher side... How long have you had the fish for? Looks a little like black ick.
I have it for 2 mouth he is whit a yellow, powder brown, salifin, blue eye tang, fox face all the other tang look perfect everyone is relax and i have no agression at all just a bit whit the yellow and the powder brun at light closing but nothing to worry. And yea the spot is big that why i dont think its black ich. And my mel warsse seem really atractive on black spot on the tang
salinity is on the higher side...
Yea my cleaner warsse, and yea if im able to catch it at night whit red light i would like to do it but i have never done this in 8 year of reef think is time to do something new. How do i do this ? Same temperarure?Do you mean that the melanurus wrasse is trying to "clean" the black spots? If so, it could be a fluke infection. I wonder if you should try a FW dip on the hepatus tang to see if flukes drop off? Are you familiar with how to do that? I can talk you through it if you want to try it....
Jay
I agree, 1.026 salinity is what I run my tank at as well.1.026 is where I run my tank, and have for years. I don’t think that has anything to do with what’s going on with the fish.
Yea my cleaner warsse, and yea if im able to catch it at night whit red light i would like to do it but i have never done this in 8 year of reef think is time to do something new. How do i do this ? Same temperarure?
Perfect thanks i will do it just in case, so same temperarure 5 min and he will act like dead but i do a full 5 min. Stressfull omg !Here is some basic information about using a FW dip:
Osmotic differential baths
Formalin is not the only irritant that can be used to dislodge parasites during a diagnostic bath. Osmotic differential baths (exposing a marine fish to freshwater, and vice versa) are also effective at loosening parasites. However, there is a greater possibility that the shape of the organism will be disrupted by osmotic pressure to such an extent that proper identification would be difficult. “Freshwater dips” are commonly used to dislodge parasites from the skin of marine fishes. To perform these dips, the fish is captured and placed in a dimly lit container of clean freshwater the same temperature as the aquarium system it came from. The dip container should be covered with a clear material so that the fish is kept from jumping out, yet can still be observed for overt signs of stress. Hold the fish in the freshwater for five minutes to seven minutes. If acute stress is seen, the dip may need to be terminated early. The idea is to dislodge the parasites, without unduly harming the fish. Many aquarists opt to use reverse osmosis water, and adjust the pH to match the aquarium, but this is simply not necessary if the pH of the freshwater is between 7.5 and 8.5. Some advocate to not aerate the water during the dip, but the water motion from air bubbles can help keep the fish active so that they can be better assessed for stress. Additionally, the air bubbles help dislodge some parasites during the dip process. After the dip, let the water settle, and look for flukes on the bottom (you may need a magnifying glass or a microscope).
Some caveats:
Jay
- Some fish will give extreme reactions to being dipped (hepatus tangs for example), as long as they were swimming well before the dip, it is best to ignore that behavior and continue for a full five minutes.
- Moribund fish can be dipped, but understand that the acute stress from the dip may prove fatal. The dip water should still be checked for parasites in order to possibly help any remaining fish. Moribund would include any fish that was easy to capture or a fish with a respiration rate of 200+ BPM.
- Choose the type of net wisely, some fish have spines that will become caught in the netting. Have a pair of scissors handy to cut the net if this happens.
- Dropping a fish while moving it to and from the dip is common, take care. Some fish have venomous spines, so know that before trying to handle any fish.
- Fish shaking their heads violently after capture is one cause of mechanical exophthalmos (popeye), so try to gently restrain them in the net while moving them.
I have done it 5 full min in ro/di water match temp and ph, he was not happy butHere is some basic information about using a FW dip:
Osmotic differential baths
Formalin is not the only irritant that can be used to dislodge parasites during a diagnostic bath. Osmotic differential baths (exposing a marine fish to freshwater, and vice versa) are also effective at loosening parasites. However, there is a greater possibility that the shape of the organism will be disrupted by osmotic pressure to such an extent that proper identification would be difficult. “Freshwater dips” are commonly used to dislodge parasites from the skin of marine fishes. To perform these dips, the fish is captured and placed in a dimly lit container of clean freshwater the same temperature as the aquarium system it came from. The dip container should be covered with a clear material so that the fish is kept from jumping out, yet can still be observed for overt signs of stress. Hold the fish in the freshwater for five minutes to seven minutes. If acute stress is seen, the dip may need to be terminated early. The idea is to dislodge the parasites, without unduly harming the fish. Many aquarists opt to use reverse osmosis water, and adjust the pH to match the aquarium, but this is simply not necessary if the pH of the freshwater is between 7.5 and 8.5. Some advocate to not aerate the water during the dip, but the water motion from air bubbles can help keep the fish active so that they can be better assessed for stress. Additionally, the air bubbles help dislodge some parasites during the dip process. After the dip, let the water settle, and look for flukes on the bottom (you may need a magnifying glass or a microscope).
Some caveats:
Jay
- Some fish will give extreme reactions to being dipped (hepatus tangs for example), as long as they were swimming well before the dip, it is best to ignore that behavior and continue for a full five minutes.
- Moribund fish can be dipped, but understand that the acute stress from the dip may prove fatal. The dip water should still be checked for parasites in order to possibly help any remaining fish. Moribund would include any fish that was easy to capture or a fish with a respiration rate of 200+ BPM.
- Choose the type of net wisely, some fish have spines that will become caught in the netting. Have a pair of scissors handy to cut the net if this happens.
- Dropping a fish while moving it to and from the dip is common, take care. Some fish have venomous spines, so know that before trying to handle any fish.
- Fish shaking their heads violently after capture is one cause of mechanical exophthalmos (popeye), so try to gently restrain them in the net while moving them.
Done !!! I have take ro/di put in a bucket in the sump some backing soda to match ph, then air for water mouvement. I have done the full 5min and all seem to be ok he not stress to mush start swing like nothing happen after 2 min. But.... All the skin was ok during the bath and nothing come of of the fish and the blavk dit still in place and have not change... So i dont know is that have change something.Here is some basic information about using a FW dip:
Osmotic differential baths
Formalin is not the only irritant that can be used to dislodge parasites during a diagnostic bath. Osmotic differential baths (exposing a marine fish to freshwater, and vice versa) are also effective at loosening parasites. However, there is a greater possibility that the shape of the organism will be disrupted by osmotic pressure to such an extent that proper identification would be difficult. “Freshwater dips” are commonly used to dislodge parasites from the skin of marine fishes. To perform these dips, the fish is captured and placed in a dimly lit container of clean freshwater the same temperature as the aquarium system it came from. The dip container should be covered with a clear material so that the fish is kept from jumping out, yet can still be observed for overt signs of stress. Hold the fish in the freshwater for five minutes to seven minutes. If acute stress is seen, the dip may need to be terminated early. The idea is to dislodge the parasites, without unduly harming the fish. Many aquarists opt to use reverse osmosis water, and adjust the pH to match the aquarium, but this is simply not necessary if the pH of the freshwater is between 7.5 and 8.5. Some advocate to not aerate the water during the dip, but the water motion from air bubbles can help keep the fish active so that they can be better assessed for stress. Additionally, the air bubbles help dislodge some parasites during the dip process. After the dip, let the water settle, and look for flukes on the bottom (you may need a magnifying glass or a microscope).
Some caveats:
Jay
- Some fish will give extreme reactions to being dipped (hepatus tangs for example), as long as they were swimming well before the dip, it is best to ignore that behavior and continue for a full five minutes.
- Moribund fish can be dipped, but understand that the acute stress from the dip may prove fatal. The dip water should still be checked for parasites in order to possibly help any remaining fish. Moribund would include any fish that was easy to capture or a fish with a respiration rate of 200+ BPM.
- Choose the type of net wisely, some fish have spines that will become caught in the netting. Have a pair of scissors handy to cut the net if this happens.
- Dropping a fish while moving it to and from the dip is common, take care. Some fish have venomous spines, so know that before trying to handle any fish.
- Fish shaking their heads violently after capture is one cause of mechanical exophthalmos (popeye), so try to gently restrain them in the net while moving them.
I have done it 5 full min in ro/di water match temp and ph, he was not happy but
Done !!! I have take ro/di put in a bucket in the sump some backing soda to match ph, then air for water mouvement. I have done the full 5min and all seem to be ok he not stress to mush start swing like nothing happen after 2 min. But.... All the skin was ok during the bath and nothing come of of the fish and the blavk dit still in place and have not change... So i dont know is that have change something.
Good big thank!!! mabe he was have something coze today is was not rubing on the rock at all, did i should put the norri and the flaque in garlic befor give food or i just continu flaque pellet, nori and put garlic only in my frozen food ?That's good, it means that the problem isn't flukes. You just needed to rule out that issue. As you say, the black dots stay in the same place. That may bean that they are just hypermelanin pigmentation, from an injury of something. If they don't increase in number, I would just let them be, but watch them.
Jay

