cardinal tetra.. sick or preggy?

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kangarooooooooo

Aquarium Advice Regular
Joined
Sep 28, 2005
Messages
58
Location
canada, ontario
i have 10 cardinal tetras and 3 of them are very round and big in the breast area.. are they sick? or do they look like this when they are pregnant? there fins are all fine and there appetite is good and they are all schooling normally..
 
Cardinal tetras are not livebearer's so they are not pregnant. Can you post a pic? Do any of their scales stick out at all? What tank size and what tank mates?
 
it is just 12 cardinal tetra and 2 oto cats right now. i'm getting discus next weekend. it's a 60 gallon. the scales are not sticking out.. i think it's just fat..
 
It might have eggs, if you have ideal conditions it might breed.... not likely though with all the other cardinals in the tank. They are finiky breeders. If you have lots of feather foliage they might scatter eggs. You might see skinnier (male) fish chasing the fatter (female) ones...... I have see that when I had cardinals eons ago.
 
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