1.Bacterial Diseases in Fish
Bacteria are a very common cause of complaint for fish breeders. There are many bacterial diseases in fish caused due to pathogenic bacteria. These bacteria can either attack the fish externally, or can enter into the body of the fish through the skin and can damage internal organs, even leading to death. Fin rot and bacterial gill disease are the most common bacterial attacks in fishes, in which the fins and the gills are infected respectively. If the bacteria have managed to gain entry into the body, it is known as systemic infection. Bacteria can also cause ulcers and lesions on the body of the fish. Bacterial infections are easily apparent externally as ulcerous marks or red irritations on the skin of the fish. Bacterial infections are very common in koi fish.
2.Fish Lice
Fish lice are scientifically termed as argulus, and being about a centimeter in size, they are among the largest parasites found in the animal world. They are very detrimental to the health of the fish, because they can suck out the fluids from the body of the fluids by clamping their proboscis like mouth into the bodies of the fish.
Lice are...