date:Aug 03, 2012
t) showed dark lesions on the skin the lesions covered as little as five per cent of the skin ranging to full coverage and an almost entirely black appearance. Dr Sweet said the numbers were significant.
The individuals we looked at had extensive but only surface melanomas, he explained. This means the cancer had not spread any deeper than the skin so apart from the surface lesions the fish were basically healthy.
Once the cancer spreads further you would expect the fish to become quite sic