lionfish and MH's?

[dmopar74]

would a single 250w MH(or 150w MH) on a 180 6x2x2 cause blindness? really want to use a single MH in the center of the tank to get a shimmer effect.

 

[StephLionfish]

I, personally, would not try it. I had some weak leds on the right side of my tank ( same dimensions as yours) and my Vol went blind. Even thought he had the whole other side of the tank plus caves.
Others may disagree with me...but just my thoughts.

 

[nateqt]

i know someone who runs a 150 watt MH on a 29 gal with a yellow fuzzy dwarf and a fu manchu and they are perfectly fine

 

[dmopar74]

im thinking i might try a 150w, should provide the shimmer i want but not be too bright. of course i truely have no idea!

 

[seahorsedreams]

It will be fine.


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[jarrod13]

I would just hang it a little high

 

[EdKruzel]

It is perfectly acceptable providing there are shaded areas for your lion to escape. Fish react to unpleasant situations just like we do and have the instinctive skill set to know when something is harmful.

I have witnessed and helped numerous hobbyists with fish illnesses. In most cases of lionfish going blind, it was not the lighting, but malnutrition and/or bacterial infections of the eye socket.

 

[sacremon]

I have 3x 150W MH over my tank, on the stands provided with the light rather than suspended, so it is very close to the water. What this does is make areas of heavy shadow/shade in back and front of the tank. My volitans and radiata will often hang out in the back of the tank (which is coated black, making it very difficult to even see the volitans, who is black) or they will hang out in the caves. I have my lights come on around 1:30PM and turn off around 11PM, so that we can see the fish in the evening. The lions will often be out in the open from 7PM until the lights go off, hoping to be fed. The tank gets indirect light during the day before the lights come on, and the lions are often out and around during that time.

 

[Recty]

I could see there maybe being a problem with a deepwater lionfish, but even that I wouldnt worry about.

Think about it... lionfish are out and about on the reefs during the day, they are definitely not nocturnal. They may hang out under ledges, but they dont exclusively sit under them all day long. They can deal with the bright sun all day long with no issues, so there isnt any reason that reef lighting would make them go blind when compared to any other fish.