cory ? sick?

[zy123]

hi, what cory is this? is it female or male? about 1inch plus. is it sick?

http://www.flickr.com/photos/79725857@N04/7165574549/

[Kampfer]

This is Corydoras trilineatus, (commonly known as leopard cory in our LFS) It does look sick. Dorsal fin also looks bad

[zy123]

I have shifted it to another tank . However , this restlessness in it started today afternoon . Before that it's okay. Eating is good , reaction and swimming is good too. What can I do ? Any idea if it's a male or female ?

[andee619]

The red blotch on the side near the pectoral fin may be caused by trauma or bacterial infection. Better isolate to prevent spread in case your cory is having bacterial infection. If you have a spare tank you can try to add medication for bacterial infection. Hope your cory recovers : )

[johannes]

maintaining good water quality will help bro.

[zy123]

Among all 4 Cory . This is the biggest one , however only this one is the only one like that . Water is clean just change . Any other things I can do ?

[zy123]

I did put the medicine for bacteria every water change . So could it still be bacteria ?