Stable mature tank - Cardinal death, another swim bladder issue

LancsRick

Member
Joined
18 Apr 2012
Messages
684
I love keeping animals, but I hate when they're struggling and I don't know how to help.

Just done the usual check I do every few days on my tank, peering around everything to look for anything out of the ordinary. Found a cardinal tetra dead at a filter intake, been gone for a couple of days from the condition of it. Also noticed one more cardinal having swim bladder issues (active enough, but a good 45 degrees off true). The rest of the cardinal shoal, and the rest of the tank contents seem absolutely fine.

Reckon it's just "one of those things", or something else? I'd dose melafix, but I've got Honey Gourami's in there, and I know the two don't always mix well. Amanos, Oto's (sensitive in the extreme!), botia striata, galaxy rasbora, white tail mountain minnows, all 100% happy.

Any pre-emptive action to take, or just a watching brief?
 

Mike Edwardes

Member
Joined
17 Jun 2013
Messages
47
Location
Leicester
Swallowing air is usually a temporary problem and I've never seen it cause death. Gas in the swimbladder is usually due to bacterial infection, but if it's just one fish, I definitely wouldn't recommend treatment as it's probably host-specific. Keep the water quality high - step up the water changes.
 
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