issue 3 publication date 2019-09

• The effect of food type on phenotypic plasticity of sword tail, Xiphophurus helleri, during early ontogeny
• The report of Fibropapilloma in the lips area in a group of freshwater Angelfish (Pterophyllum scalare) in sari city, Iran
• Prevalence of parasitic diseases as a serious threat to the ornamental fish industry: A study on the prevalence of Argulus parasites in ornamental fishes of Iran
• Growth hormone, functions and the ability to use it in ornamental fish
• The role of corn starch, sodium smectite and urea formaldehyde in enhancing the food stability of aquatic organisms
• Optimizing the condition of rearing Astronotus ocellatus using statistical method Central Composition Design (CCD)