DennisP Posted December 4, 2010 Report Share Posted December 4, 2010 I'll cut it short... Just noticed 1 of my serpae tetra is always swimming downwards. If it stops, it starts to float back up. Disease or defect/deformation? Dangerous to others or non contagious? Quote Link to comment Share on other sites More sharing options...
phoenix44 Posted December 4, 2010 Report Share Posted December 4, 2010 You mean like bobbing and twitching? That's what they do. I had a cardinal that ate a small stone and started sinking. Then he would flap his little fins and scurry to the top; get tired, and sink again. :lol: He died cause of the stone and finally became food for the other fish. Quote Link to comment Share on other sites More sharing options...
piggyvir Posted December 13, 2010 Report Share Posted December 13, 2010 oh.. i better watch out mine one .... Quote Link to comment Share on other sites More sharing options...
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