Eldho P S is a PhD scholar at Kerala University of Fisheries and Ocean studies, Kochi, Kerala.He works primarily on the Fish Diversity,distribution, abundance and habitat ecology of River Karuvannur,Kerala.His research include Fish taxonomy,Population dynamics, River habitat ecology and conservation. Also a person who loves travelling, who loves adventures and food. He is currently working in a Ministry of Earth Science project on Systematics, phylogeny,life history traits,distribution and stock assessment of cutlass fishes and snake mackerels occurring in indian waters.