Necropsy

A practical approach to fish necropsy: what is normal, what may be variation, and what indicates pathology.

Toggle Myth / Reality Myth “Only Fresh Fish Can Be Examined” There’s a common belief that if a fish dies in an aquarium, an autopsy is pointless. It’s often claimed that you must dissect immediately after death, otherwise nothing useful can be learned. The reasoning goes like this: fish decompose very quickly at room temperature — within minutes, tissues change, organs lose structure, and parasites either die or abandon the host. ...