Recent content by chris lane

ive a 100 litre tank with 3 bronze corys and 2 peppered corys 1 of them has a red blood like mark along body he seems happy in himself tho i put melafix in and that sorted it then a smaller red mark appeared .can anyone tell me what it is and the cause please

have noticed my bronze corydorous catfish has blood streaks along his body he is happy still moving around tank no other fish are picking on it but it seems to be getting slowly worse i do weekly water changes to is this bacterial