Fish health and diseases

Graphi presenting a fish and a human outline, with a microscopic view of a blood smear with neutrophils and erythrocytes.

Fish vs Human Immunity: Similarities and Differences in our Immune Systems

The immune systems of both fish and humans share some common elements, such as innate and adaptive immunity, physical barriers, and cellular defenses. However, each system has unique adaptations to suit the specific challenges posed by our environments and hmm… lifestyles. 🙂  In this article, I will provide an overview of the fish and human …

Fish vs Human Immunity: Similarities and Differences in our Immune Systems Read More »

Colorful koi fish in clear pond water.

Nitrite Toxicity in Pond Fish – Why and how is it toxic?

When nitrite levels rise, fish can experience physiological stress but most importantly, respiratory issues. Nitrite is a nitrogen compound that forms as a natural byproduct of the pond’s nitrogen cycle. While it may seem harmless, elevated nitrite levels can pose serious risks to our fish’s health. Understanding the effects of nitrite on fish health is …

Nitrite Toxicity in Pond Fish – Why and how is it toxic? Read More »

Six colorful koi carps swimming close to the water surface in a pond. Photo by novila misastra Unsplash.

Columnaris – bacterial disease in pond fish

It’s common symptoms include damaged fins, ulcers, and gill infections. It can eventually result in the death of the fish. Among the prevalent bacterial diseases affecting fish, Columnaris, also known as myxobacterial infection, stands out. Flavobacterium columnare is a widely spread bacterium, being able to infect many freshwater fish species. This pathogen poses a significant …

Columnaris – bacterial disease in pond fish Read More »

Scroll to Top