Open Access Research Paper Views (734) The study on changes of nutrition on Iron levels and hazard quotient (HQ) on plankton eater, carnivores, omnivores and herbivores fishes from Khuzestan, South West of Iran A. Askary Sary, V. Karimi Sari J. Biodiv. & Environ. Sci. 5(5), 166-171, November 2014. Keywords: Carnivores, Hazard quotient, Iron, Omnivores and herbivores, Plankton eater Details