Tag Archives: koi


SYMPTOMS: Scraping against substrate or décor Rapid gill movement Mucus covering the gills or body Gills or find may be eaten away Skin may become reddened. There are many species of flukes, which are flatworms about 1 mm long, and several symptoms that are visible. They infest gills and skin much like ich, but the […]

Body Fungus (Saprolegnia)

SYMPTOMS: Dirty cotton like growth on the skin Can cover large areas of the fish White fish eggs Fungal attacks always follow some other health problem like parasitic attack, injury, or bacterial infection. The symptoms are a grey or whitish growth in and on the skin and/or fins of the fish. Eventually, if left untreated, […]

Koi Herpes – Lymphocistitis

SYMPTOMS: Nodular white swellings on fins or body similar to Lymphocystis.  This disease is more commonly known as koi herpes.  Often appears with a lumpy cauliflower like appearance.  Usually starts out white but as it grows will become red and angry looking. Glugea and Henneguya are sporozoans that form large cysts on the fish’s body […]

Gold Dust Disease (Velvet)

Parasitic skin flagellates swim in the aquarium until they find a fish host to adhere to. Oodinium pilularis (as well as with “Ich” Ichthyophthirius multifiliis) it eats into the cells of the epithelial layer of the skin and fins as well as through the mucous membrane in the mouth. The mature parasite then leaves the host and […]

Fish Vibriosis-Bacterial Disease

Vibrio is a genus of Gram-negative bacteria found primarily in saltwater or brackish water, and consisting of 70 or more strains. Fish Vibriosis involves a variety of infectious strains of Vibrio bacteria, most notably Vibrio anguillarum, V. ordalii, V. damsela, and V. salmonicida. SYMPTOMS: Lethargy Increased respiration Loss of appetite Skin hemorrhages Fish contract the bacteria through open sores […]

Electronic Aquarium Monitoring

Automated Aquarium monitoring has come a long way in recent years and understanding what is going on inside your water column is vital to ensuring that your fish not only survive, but excel in the environment you have created. Seneye’s range of in tank monitoring devices allows effortless monitoring of your aquarium water.  The device […]

Black Soldier Fly Larvae Replaces Fish Meal

Black Soldier Fly Larvae (BSFL) have been around for a while now as an alternative source of protein for livestock like pigs and chickens.  I am really excited by the potential of BSF to replace fish meal in aquaculture applications.  Fish meal, for those that don’t realise is made primarily by raping our oceans of […]

Black Soldier Fly as Koi Food

So I’ve been playing with Koi Food formula’s.  Koi pellets are for the most part made from a combination of several ingredients with the main one being white fish meal.  White fish meal is preferred over brown fish meal because Koi are a white flesh fish.  Anecdotally, the quality of the fish meal used is […]