knight gobies

[legalseafood]

hi everybody
i bought 2 knight gobies about 2 weeks ago and they were doing great until a few days ago. they have turned very dark and have stopped eating. now they just sit at the bottom and do nothing. i have them in 33 gallon tank at 80 degree F. my water conditions are fine, so i have no idea what the problem is...in addition, i treated the tank with QUICK CURE at half dose for 5 days becasue one of my another fish had ich. does anybody know what's wrong with the gobies?
thanks for any help.

 

[sinasster]

please define your "fine" water conditions

I will assume you mean the typical cycle levels are zero. what about PH, GH and KH?

 

[lizwinz]

and do you have salt in there? if so what salinity are you keeping them

i believe they are a brackish fish

--liz

 

[adamj]

this post should be in the brackish fish section...

anyway, liz is right, they are brackish fish, and the nature of the fish is to "lay on the bottom", but they should have plenty of active swimming moments... Give us more info about your tank. size, other fish? plants? chem levels? filtration? we might be able to help more then... how old is the tank as well.