Re:Erectus respiration normal; Reidi respiration h

#4361
Pete Giwojna
Guest

Dear Tom:

Good job reducing your nitrate levels, sir! If it was indeed the elevated nitrates that caused the rapid breathing in your H. reidi by converting hemoglobin to methhemoglobin, they should respond to the lower level of nitrates, but it may take a while longer for their red blood cells to normalize again.

If the diagnostic freshwater dip didn’t reveal any evidence of gill flukes or ectoparasites in the dipping container, and didn’t provide the seahorses with any relief from their rapid respirations, it’s unlikely that gill parasites are the cause of the respiratory distress in your H. reidi. So I don’t think medicating your seahorses for such parasites will be productive at this point.

Rather, I would suggest progressing to a quick dip in methylene blue. This will aid in the oxygen transport of your H. reidi and help their breathing returned to normal more quickly. As you know, methylene blue facilitates oxygen transport, helping fish breathe more easily by converting methemoglobin to hemoglobin — the normal oxygen carrying component of fish blood, thus allowing more oxygen to be carried through the bloodstream. This makes it very useful for treating gill infections, low oxygen levels, or anytime your seahorses are breathing rapidly and experiencing respiratory distress. It is the drug of choice for treating hypoxic emergencies of any kind with your fish.

This is how to proceed if you would like to try the methylene blue next, Tom:

If you can obtain the Kordon brand of Methylene Blue (available at most well-stocked local fish stores), the instructions for administering it as a very brief, concentrated dip are as follows:

For use as a dip for treatment of fungus or external parasitic protozoans and cyanide poisoning:
(a) Prepare a nonmetallic container of sufficient size to contain the fish to be treated by adding water similar to the original aquarium.
(b) Add 5 teaspoons (24.65 ml) per 3 gallons of water. This produces a concentration of 50 ppm. It is not recommended that the concentration be increased beyond 50 ppm.
(c) Place fishes to be treated in this solution for no longer than 10 seconds.
(d) Return fish to original aquarium.

When you administer such a dip, hold the seahorse in your hand throughout the procedure and time it closely so that the dip does not exceed 10 seconds.

And here are Kordon’s instructions for administering the methylene blue in a hospital tank if longer-term treatment seems appropriate to reverse more severe cases of nitrite poisoning and ammonia toxicity or exposure to high-level of nitrates:

As an aid in reversal of nitrite (NO2-) or cyanide (CN-) poisoning of marine and freshwater aquarium fishes:
(a) Remove carbon filter and continue to operate with mechanical filter media throughout the treatment period.
(b) Add 1 teaspoon of 2.303% Methylene Blue per 10 gallons of water. This produces a concentration of 3 ppm. Continue the treatment for 3 to 5 days.
(c) Make a water change as noted and replace the filter carbon at the conclusion of the treatment.

See the following link for more information on treating with Kordon’s Methylene Blue:

Click here: KPD-28 Methylene Blue
http://www.novalek.com/archive/kpd28.htm

If you obtained a brand of methylene blue other than Kordon, just follow the instructions the medication comes with. Remember that methylene blue will have an adverse impact on the beneficial bacteria that carry out the nitrogen cycle, so don’t use it in your main tank — rather, use the methylene blue as a quick dip or for treating the seahorses for a prolonged period in your hospital tank.

If the methylene blue does not produce the desired results within the next day or two, then it would be appropriate to consider other treatment options, but the blue is probably your best bet at this point.

Best of luck easing the breeding of your H. reidi, Tom.

Respectfully,
Pete Giwojna


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