I have 5 syerbai corys that have been in a tank with sharp gravel and they no loinger have whiskers. They are now in a tank with smooth gravel. Will they be alright? And how long will they take to grow back?

If they have not ground down the whiskers too far they will grow back.

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Everyone is entitled to be stupid, but some abuse the privilege!
FNZAS Editor, MAC member, Global Moderator

yeah they can grow back - sometimes they look a little skinny/short!

Do watch for fungus though.

i have just taken 3 more out of the tank with sharp gravel. the tank they were from has quite bad water quality(have just done a waterchange though)
They three i just took out have no whiskers at all left and that area is quite red. What can i do to make the whiskers grow back faster?

Aftershave

keep water quality up and medication to inhibit fungal growth and bacterial buildup
maybe salt, TLC or similar
good luck

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go and do a water change
it is sometimes better to be thought a fool than to type something and remove all doubt
P.S. No test kits were harmed in the set up of this tank.

yeah I've had this problem as well - seems the smaller cory's were more likely to get damage than the bigger ones...

Def seems like the whiskers are growing back although one in particular had lost them right back to the mouth and it looked nasty

I've got 8-10mm Blackwater gravel in there and I hadn't thought it would be too sharp for corys... do most people keep them in tanks with a sand substrate or gravel?

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360L Community Tank (Planted) 120*50*60
11 Dwarf rainbows, 12 Cardinals, 3 peppered Corys, 4 Chain loaches, 1 golden algae eater

I have corys with nice, long barbels on smallish rounded gravel. I wish I could have sand but seems a bit impractical for my purposes... =(

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Christchurch Totally Tanked